Check Engine Light Still On After Repair

I have more then one issue. which I did and still didn't fix the problem. We 'd like consumers to comprehend that by turning off the check engine or service engine soon light, that all emissions data from your automobile's engine control module (ECM) will likely be deleted. Mercedes Diesel Glow Plug Repair. My MIL (check engine) light did not come on. What Your Check Engine Light Means. The service engine soon light can come on for minor issues like a loose gas cap, or for more major problems such as possible engine failure. When the Service Engine Soon or. Changed plugs o2 sensor fuel filter intake air sensor plugs and code still reads p0171 an fuel cleaner Vehicle: CHEVY MALIBU 2001. Are you still being bothered with a check engine light flashing on your dashboard despite the replacements and repairs were done to fix the issue? Sometimes, the control system of your vehicle may need a simple reset after the problems have been resolved. Hi again! I'm still dealing with the check engine light issue. If the light is not flashing, and you do not notice any changes to the engine's performance, drive the vehicle in a normal manner for one week to see if the problem corrects itself and turns the light off. Can someone help, i hope to fix it soon. This is checking the signal from the Computer to the Fuel Injector. Now what? What is a Check Engine Light? The check engine light is part of the onboard diagnostics (OBD) system in your Mini Cooper. If the check engine light comes back on with code P0171 continue the diagnostic process. So to review you do have a few options for resetting your check engine light, but the easiest way is to use an auto scan tool. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. Some manufacturers changed the "wording" on the light to the less urgent sounding "SERVICE ENGINE SOON". Details Check Engine Light Repair and Diagnostic Help. Now what? What is a Check Engine Light? The check engine light is part of the onboard diagnostics (OBD) system in your Mini Cooper. Newer vehicles have a feature that will simply turn the light back on after the battery is reconnected if the car is not drained of electricity properly, however. Can I drive the car with expired tag to the repair shop to get the check engine light fixed? Also I am told I need to drive the car around for 50 miles or so after fixing before I go for inspection? (But my tag is expired! and renewal needs emissions to be passed) Seems to be a catch 22. It could also be a warning of a serious problem that could damage your engine components. First important issue. We went to a lot of places to fix it but still it comes back. I already changed the oil pressure sending unit, but the problem is still there. thanks Update: My corolla is 2001 I had the codes run the other day. On the same day, when I turned on the car again, there was a hesitance, a stuttering to come on, like the battery was going down. Since the vehicle still ran, he took it to a part store that checked the codes. The service engine soon light is often confused with the check engine light. I purchased a new gas cap, refueled the car, and installed the new gas cap. So whether it's a Chevrolet Service Engine Soon Light, Camry Check Engine Light, Mighty Max Check Engine Light, or a 1993 Thunderbird Check Engine Light, they require individual procedures to diagnose, repair, and reset the check engine light code. Best Answer: In many cases the check engine light will go off after you start your vehicle 10 to 15 cycle. Get the problem diagnosed ASAP. Reinstall the mass air flow sensor and clear the check engine light using FIXD. After a day, the light came back on. This is checking the signal from the Computer to the Fuel Injector. It could mean the difference between life and death if you’re involved in an accident. Ecplise wouldn't start, so i got a new alternator and battery. They say the check engine light came on again. To check this code, measure the voltages of the TPS signal wire and if not within range. You may buy a scan tool at your local auto parts store. In this case, the "Check Engine" light and codes would probably be false. The Check Engine Light alerts you to problems like poor fuel mileage, reduced performance or excessive exhaust emissions. The vehicle seems to be working alright. I was driving the 2006 Nissan Altima at 35mph when the power seemed to slow, I pushed the gas and nothing was happening, and immediately it returned to normal power, though this occurrence turned on the check engine light. I cannot remember if we have to reset the light after every change or if I have another unrelated power. If the fault is not present, the check engine light will remain off. It can be used to retrieve stored trouble code(s), clear trouble code(s) and turn off the check engine light, read live streaming engine data (on some models). Auto Zone tried to run the codes "passed" The fellow told me to come back when the check engine light is on. When this Check Engine or Service Engine Soon light flashes you should pull over safely and shut the vehicle off. Required Materials for this repair a broken auto light socket Project. The vehicle seems to be working alright. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. This quick how to video will help you save time and money. This morning I tried to start the vehicle using the remote car starter. 1999 Toyota Camry P0773 - The car is running fine but the check engine light is on with a P0773 code. You may buy a scan tool at your local auto parts store. How many drive cycles takes for engine light to go off after repair? not ready to read and still pass inspection as long as the check engine light is not on. Why Is the Check Engine Light on in a Dodge Ram? The primary reason that the check engine light illuminates in a Dodge Ram truck is a loose gas cap. Your Check Engine Light: What you need to know ; Check Engine Light Code P0138: Why You Shouldn’t Assume It’s a Worn Oxygen Sensor ; Bad Fuel Pump, Fuel Pressure Sensor Can Trigger ‘Check Engine’ Light, P0087 Code ‘Check engine’ light might be a problem with the engine coolant temperature sensor. Drive your car as you normally would. Common Check Engine Light Causes Here is a list of the most common check engine lights (CELs P Codes) and their common causes and common symptoms. Thanks to the age of information, anyone can be a "Google Mechanic". the Meaveses still didn't have an answer. Hey guys, So this is a new one for me, I was on my way home last night on the highway, and i noticed my check engine light came on, no noises, no loss of power, no odd smells, i got off the next exit with an advanced auto parts, and got the following code. Most of the earliest vehicles with computerized engine controls had an amber light which lit up with the words "CHECK ENGINE". I got no more than 5 miles away from the auto repair when the Check Engine light started flashing again. I got it checked and got a p0130 for bank 1, sensor 1 from memory. Engine light still on after replacing oxygen sensor, if it is not within spec replace the sensor and as. I’ll give you the answer which goes out for all vehicles. Now, the reset command is send to the car and the light is cleared. Read and acknowledge the information presented. Some models require the TPMS to be reset after adding pressure. Your Check Engine Light blinks or glows depending on what’s wrong with your vehicle. The light generates a code that can help you narrow down the problem so you can get it fixed. Check engine light still on after part repaired? I have a 97 Pontiac Grand Am that had the Check Engine light on. Mini Cooper 2003 cvt stalls in slow traffic or starting from stop light. In some cases, a yellow check engine light may indicate that a problem exists, but it's not. Once I put it together, the light. So whether it's a Chevrolet Service Engine Soon Light, Camry Check Engine Light, Mighty Max Check Engine Light, or a 1993 Thunderbird Check Engine Light, they require individual procedures to diagnose, repair, and reset the check engine light code. Check Engine Light Still On After Repair GMC Sierra Forum I disconnected the battery, so it should reset the check engine light. The best way to reset a check engine light is to use a code scanner. I put together a video discussing a problem my neighbor had with Nissan Maxima four door sedan after they filled the fuel tank. If your check engine light comes on, and your transmission seems to be acting erratically, you need to take your vehicle into a specialist. After you put in the new sensor, disconect the negative battery terminal for a few minutes then reconnect it. this code directs the repair technician to the source of the trouble. Some also refer the check engine light to the service engine soon light and the maintenance required light. All vehicles with engine changes must pass an initial inspection at a Referee Center, and must have a BAR Referee label affixed to the vehicle inside the engine compartment. I already changed the oil pressure sending unit, but the problem is still there. Drive your car as you normally would. The regular brake warning light never has/did come on. I had the Autozone printout those codes for me after seeing check engine light on my 2000 Jeep Cherokee. So, obviously you should try to find out what the problem is. The majority of late model cars have a check engine light for the computer and a service engine soon light for. The first step should be to figure out why the check engine light came on in the first place as. 79 volts, then I started it up and got 12. My check engine light would come on like once every few weeks and stay on for a couple minutes. Very nice tool to have. A certified mechanic should be able to diagnose the problem easily. If your check engine light turns on immediately after a fill-up, pull over and make sure the cap isn't loose - or still on your car's roof. When this Check Engine or Service Engine Soon light flashes you should pull over safely and shut the vehicle off. Your Check Engine Light may be indicating a simple problem that's easy to fix—such as a loose gas cap that needs to be replaced. please let me know, thanks. It's a $1,000 repair and can will suck the life out of your gas tank. But this time, the gas cap was tight. The service engine soon light is often confused with the check engine light. Knowing if we should continue driving or stop right now is difficult. That's nothing more than good 'ol human nature at work. A check engine light can indicate a broad spectrum of problems with your 2007 Pontiac G6. Your Check Engine Light blinks or glows depending on what's wrong with your vehicle. First of all, if you cleared the code by disconnecting the battery and there is a hard failure in the engine control or emissions system then the light will just pop right back on. So, I purchased the 160. Newer vehicles have a feature that will simply turn the light back on after the battery is reconnected if the car is not drained of electricity properly, however. I purchased a new gas cap, refueled the car, and installed the new gas cap. all the other problems went and no more check engine light. Changed plugs o2 sensor fuel filter intake air sensor plugs and code still reads p0171 an fuel cleaner Vehicle: CHEVY MALIBU 2001. The powertrain control module (PCM) uses the MAF sensor signal in order to provide the correct fuel delivery for a wide range of engine speeds and loads. The Gas Cap Code and DIY Check Engine Light Car Repair The gas cap code is a common diagnostic trouble code that might turn your check engine light on. You may buy a scan tool at your local auto parts store. Best Answer: In many cases the check engine light will go off after you start your vehicle 10 to 15 cycle. Typically if the oil light is on it is an indication that the oil pressure is low. This morning I tried to start the vehicle using the remote car starter. An important reason for following the proper check engine light reset procedure is, you really want to know what the stored code is. 2014 GMC Sierra 1500 SLE 6 Cyl 4. In some cars, especially those made before the mid-1990s, you can reset the check engine light by disconnecting the battery. Advanced Hints and Tips : BMW ABS problems Check all four tires on the car, make sure they are the same brand, style, and size. The check engine light comes on when your car's computer detects an issue within the powertrain. I have just over 4000 miles on mine and the check engine light has come on 6 times. Check Engine Light Still On After Repair GMC Sierra Forum I disconnected the battery, so it should reset the check engine light. The service engine soon light can come on for minor issues like a loose gas cap, or for more major problems such as possible engine failure. You may have already reviewed details explaining the best ways to shut off the check engine light or service engine light prior to a smog check. If the "check-engine" light is flashing, take the vehicle to a repair facility as soon as possible to prevent major damage to your vehicle. The light generates a code that can help you narrow down the problem so you can get it fixed. The fix would then be something severe and extremely costly like a catalytic converter(s) or engine replacement which cost on average $1,150 and upwards of $5,000 respectively to fix. The best way to reset a check engine light is to use a code scanner. A professional will be able to pinpoint the problem and locate a solution. If your check engine light comes on, and your transmission seems to be acting erratically, you need to take your vehicle into a specialist. So you turn the key expecting the glow plug light to illuminate, and nothing happens. my 2003 ford tarus 3. Already paid out $80 an hour and still the light is coming on. The home mechanics wonder how that can be if they fixed the problem but their check engine light is still on. It is considered generic because it applies to all makes and models of vehicles (1996-newer), although specific repair steps may vary depending on the model. My cobalt 2008 still having problems it was fixed on my recommendation, after reading that it may be a valve leak,the mechanic, refurbished the cylinder head, replaced what was necessary, now the light stays lit all the time, the engine runs fine, somebody out there has any idea what it could be, if you clear it stays off while engine is running, turn engine off and start it again, light comes. Since I was far from an auto parts store and it was a weekend, I had to put on another 120 or so miles with the check engine light constantly on. After a few days of driving, my check engine light turned itself off, proving that the best way to handle a check engine light is to simply ignore it. Following is a Safe and FREE way for resetting check engine light codes. 1999 Toyota Camry P0773 - The car is running fine but the check engine light is on with a P0773 code. Repeat repair refund: Couple Turns to Ted after paying twice for similar auto repair. You May Need to Reset Your Tire Pressure Light. We 'd like consumers to comprehend that by turning off the check engine or service engine soon light, that all emissions data from your automobile's engine control module (ECM) will likely be deleted. This instructables will c. Today, only a few days later, that damn check engine light just came on again right after i started the car. Less than an hour later it would not start again. Changed plugs o2 sensor fuel filter intake air sensor plugs and code still reads p0171 an fuel cleaner Vehicle: CHEVY MALIBU 2001. If the problem is corrected, the check-engine light may turn itself off after a number of key cycles without seeing the fault. I went to the local auto parts store to get the diagnostics code and they came up with P0712. If this was indeed the trigger, your check engine light should go off within 10 or 20 miles once you’re back on the road. No code clearing is required in most cases for American built vehicles. put it in the next day the check light came back on, should i take it off and try to clean it or what. " The system also stores important information about the detected malfunction so that a licensed Smog Check repair technician can accurately find and fix the problem. A diagnosis told me that the Camshaft Position Sensor was the problem, so I had a mechanic replace it. Waited two hours and would not restart. This warning light typically displays the phrase "Check Engine" or "Service Engine Soon. First of all, if you cleared the code by disconnecting the battery and there is a hard failure in the engine control or emissions system then the light will just pop right back on. Another way I read on a website was to bring your car to an Autozone who will diagnose the. Shop still cannot come up with a reason, and the codes are not helpful. We went to a lot of places to fix it but still it comes back. Well after 2 failed smog checks and driving at least 700 miles, the check engine is still not "ready". The simplest and safest way to turn off the check engine light is by using an OBD II Trouble Code Scan Tool. If your check engine light turns on immediately after a fill-up, pull over and make sure the cap isn’t loose – or still on your car’s roof. If you are comfortable doing basic checks under the hood, check if you have enough oil in the engine ( see how to check the oil level ), see if the battery terminals are tight, if the air filter box is closed properly. Gasoline from the tank may evaporate out, lowering the mileage on the car. The CEL has stayed off over two cold start driving cycles. If your check engine light comes on, and your transmission seems to be acting erratically, you need to take your vehicle into a specialist. The check engine light came on after I only had the car for 4 months. If the Check Engine Light ever comes on, take your car to a qualified repair shop to have the problem properly diagnosed and repaired. If this kind of a warning is ignored, it can lead to serious damage that will be expensive to repair. After unplugging and replugging in connectors clearing codes and removing all debris from underneath the seats airbag light stay off. that will reset your check engine light. Millions of quality OEM replacement parts, repair videos, instructions, and same-day shipping available!. We have a constant check engine light and the dealer cannot figure it out, and even says that the light does not come on when they drive it. I had the Autozone printout those codes for me after seeing check engine light on my 2000 Jeep Cherokee. If the fault is not present, the check engine light will remain off. I think check engine light is something that the repair shops can easily rip off the customers with, since it looks like that something is very dangerously wrong, and unless you have the knowledge, you can't argue back. Why Is My Check Engine Light Still On After Getting Service? When you see the check engine light turn on, the first thing you want to do is take your vehicle to an experienced technician. Battery or Brake light on dim even when truck is turned off - may kill battery in a few days. But this time, the gas cap was tight. When the Light Comes On. The next one they said was that the vehicle needed an update to the turbo and transmission. In that time it had 15 oil and filter changes - an average of once every 3300 miles - more than twice the VW recommendation. Can I drive the car with expired tag to the repair shop to get the check engine light fixed? Also I am told I need to drive the car around for 50 miles or so after fixing before I go for inspection? (But my tag is expired! and renewal needs emissions to be passed) Seems to be a catch 22. During the test drive, watch out for engine noises, vibration, lack of power, or any other driveability issues. A check engine light can indicate a broad spectrum of problems with your 2005 Chevrolet Equinox. Although the diagnostic system is outdated, you can still self test the Chevrolet C1500. How do I reset the light now? I'm guessing that's why the light came on in the first place. Our Free Check Engine Light Code Retrieval Service provides you with quick and accurate answers from a professional Pep Boys technician. While this specific repair may not match your situation, it's the same process. When your car's check engine comes on the first thing you think of is my car still safe to drive? This is a valid point because in some instances the car will be fine while 1997 Toyota Camry Check Engine Light. i have a 2000 camry. Technology is on its way to helping us figure out what's gone wrong when the check engine light comes on. If your check engine light comes on, and your transmission seems to be acting erratically, you need to take your vehicle into a specialist. how to reset a cars check engine light. Checking Injector Pulse using a Noid light. After getting it checked at the auto parts store again, it turns out there was a throttle control sensor that was having problems. I got no more than 5 miles away from the auto repair when the Check Engine light started flashing again. If the light goes off, we assume things are okay. We have a 2001 Highlander V4 that I bought new from the dealership. After verifying the condition of the battery and alternator, perform a. problems, and how to locate which oxygen. Average repair cost is $60 at 47,000 miles. 1999 Toyota Camry P0773 - The car is running fine but the check engine light is on with a P0773 code. If the check engine light is still on after three days, your problem may not have been fixed or you may need to try some of the methods below to reset it. Still less than their diagnostic fee. Common Check Engine Light Causes Here is a list of the most common check engine lights (CELs P Codes) and their common causes and common symptoms. Fix the problem triggering the light If your check engine light came on, the computer detected a problem that needs fixing. I took it to a shop, and they diagnosed that the MAF Sensor was broken. Check engine light came on after about 30,000 miles. Check engine light did not immediately come on. I replaced my gas cap with a brand new one after the check gas cap light went on, it's been a week and light is still on. Now what? What is a Check Engine Light? The check engine light is part of the onboard diagnostics (OBD) system in your Mini Cooper. My check engine light has come on again and the mechanic can find "nothing" wrong with the car. Your Check Engine Light blinks or glows depending on what's wrong with your vehicle. The vehicle would not start after 2 attempts. If the Check Engine light came on after your car has been serviced, take it back to the repair shop and ask them to re-check it. Car Smoking from Exhaust Pipe? My check engine light comes on and I had it hooked up to a computer…. Your Check Engine Light blinks or glows depending on what's wrong with your vehicle. Dealership replaced the catalytic converter system for no charge because we were still in warranty. If the check engine light is not illuminated while the ignition is in ON position and engine off, this too causes an immediate smog check failure. The list is in descending order of popularity. WHAT ARE THEY? OBD II is a system that has been installed in most 1996 and later cars and light trucks, intended to inform the driver of problems in the components that control the engine and transmission. The "check engine" light came on indicating a fault detected by the "camshaft position sensor". Thanks for the help I didn't know auto zone did it for free and I was recluctant to go to the dealer. After driving it a few miles, the check engine light went out, however, it has come back on again after a few days, but am still not having any stalling issues. Hi again! I'm still dealing with the check engine light issue. The vehicle would not start after 2 attempts. I own Mitsubishi Pajero 2009 D Engine, the natural light is blinking and after it the check engine light, It happand only on 4×4 road (even with 2H drive) after a while on the road it went a way. put it in the next day the check light came back on, should i take it off and try to clean it or what. 2003 Chevrolet Tahoe P0135 O2 Sensor Code - I replaced all the sensors but the P0135 code is still there. Advertisement. If the check engine light turns on and you start noticing problems with your vehicle's performance, take it to an auto service shop right away. Does anyone know how to check a vct solenoid to see if it's bad?. Any of these issues, accompanied by your check engine light coming on, is grounds for concern. Recommended Services. Folks, the check engine light has been coming on in many new cx-7's, mine included. Our expert auto repair technicians are equipped to handle your auto repair needs. If that was the problem, your Lakeville engine light will reset after several days. Please read the codes first, and fix the problem prior to reseting the CEL/SES light (i. I then started the vehicle using the key and noticed that the check engine light came on. When a car or truck needs major engine repair, the first response and reaction of many consumers is to buy a new or used. The "check engine" light came on indicating a fault detected by the "camshaft position sensor". Check Engine Light; trust Albany Light Truck & Car Repair with your car, truck, or van. Normally, the appearance of a check engine light indicates a problem somewhere in your vehicle, but nothing seems amiss. If the check engine light turns on and you start noticing problems with your vehicle's performance, take it to an auto service shop right away. Also the windows and air will not work when first driving the car. so my total after rebates was $77. This morning I tried to start the vehicle using the remote car starter. If you don't know how to check the codes from the computer and how to repair your car on your own, bring your car to a professional mechanic and have it fixed. 2 weeks later, the check engine light came on. I have more then one issue. Still this isn't always the case and often times the driver fails to notice the light or ignores it. So you see that infamous glow on your instrument cluster in your Mini Cooper, yep, it's your check engine light, and it's on. Any ideas? The vehicle is a 1996 Chevy S-10 4cyl 2. Very frustrating. The simplest and safest way to turn off the check engine light is by using an OBD II Trouble Code Scan Tool. i was travelling on Friday 1st September 2017, somewhere before Ore, exactly 150 kilometer away from Lagos, the VSC off was lit and Check engine light simultaneously. 0 liter with 150,000 miles was running very badly hesitating etc especially after it rained. He pretty much said, "I don't know. I didn't know the check engine light came on when it detected a firmware update? The last two had to do with the DEF. my 2003 ford tarus 3. What do I do if my Check Engine Light is on? When the Check Engine light comes on, it means the truck has sensed a problem. The code was for EGR Flow Malfunction. Most of the earliest vehicles with computerized engine controls had an amber light which lit up with the words "CHECK ENGINE". The parts man grinned and said you need mass air flow sensor. If the oil light stays off, it means your engine was low on oil. Idle is smooth as well. I got no more than 5 miles away from the auto repair when the Check Engine light started flashing again. Head to an auto parts store and have them run a diagnostic to find the cause of the check. The CEL has stayed off over two cold start driving cycles. So you see that infamous glow on your instrument cluster in your Mini Cooper, yep, it's your check engine light, and it's on. Best Answer: In many cases the check engine light will go off after you start your vehicle 10 to 15 cycle. Less than an hour later it would not start again. SOURCE: Engine light comes on 2003 Jeep grand cherokee laredo Check the Fuel Pump Relay, it may be malfunctioning and need replaced. Nissan actually has a procedure to access the fault codes and to erase them and reset the computer. Below are a few things you can do to reset the check engine light. A steady light means there's no immediate cause for alarm, but you should still get it checked out. This warning light typically displays the phrase "Check Engine" or "Service Engine Soon. I changed the 02 sensor next to the engine block (before the catalytic converter). Well, I was so proud of myself, especially when it started up just fine. In some cars, especially those made before the mid-1990s, you can reset the check engine light by disconnecting the battery. The radio also came on loud and distracted me, so I turned it off and started over and now I can't get it to blink for me at all. The first two they claimed it was a glitch. An illuminated air bag warning light can mean a number of. Simply select a dashboard indicator below and learn all about your dashboard lights. Our ASE Master Certified technician will read the codes and perform diagnostics to pinpoint the problem. This can lead to rough shifting, performance problems, codes, and, yes, a "Check Engine" light. The annual cost for car repairs is on the rise. The fact that the check engine light does not turn on during ignition ON may be due to a defective emissions control computer and/or a defective light bulb (Check Engine Light Lamp - 12v). The check engine light can be a great early indicator that something is starting to go wrong with your transmission. Today, only a few days later, that damn check engine light just came on again right after i started the car. What to Do When Your Check Engine Light Comes On. If this was indeed the trigger, your check engine light should go off within 10 or 20 miles once you're back on the road. It simply plugs into the Injector connector after it is disconnected from the Injector and it should blink as the engine is cranking over or running. When the Check Engine or Service Engine Soon light starts flashing this means that a catalytic converter damaging condition is occurring. I have an appointment to take it in on Wednesday to get it. this code directs the repair technician to the source of the trouble. Without much thought, Joe made his purchase and headed home to fix his car. However, if it stays on, then you need to schedule an inspection at your Lakeville auto repair center center or HomeTown Auto Service. With some variation based on model year and country of use most faults will latch and self clear. But this time, the gas cap was tight. If the check engine light light goes out, the OBD-II code usually will still be stored in the EEC computer as long as the battery in the car stays connected. Still get light. Any ideas what the problem may be?. The code was for EGR Flow Malfunction. I have a 97 Pontiac Grand Am that had the Check Engine light on. I believe the code is P1491. Are you still being bothered with a check engine light flashing on your dashboard despite the replacements and repairs were done to fix the issue? Sometimes, the control system of your vehicle may need a simple reset after the problems have been resolved. After the Explorer is scanned for trouble codes to diagnose and then repair the malfunction , then the check engine light can be reset How do you reset check engine light on a 99 passat?. When the Engine Computer senses an individual signal or combination of signals that is not right, it sets the Check Engine Light (second from the left of the warning lights below your instruments) and the Secondary Codes so that a mechanic can see what is going wrong. Your vehicle is equipped with on board diagnostic capabilities. Now, the reset command is send to the car and the light is cleared. A check engine indicator is a malfunction-indicator light or MIL for the computer-management system. The check engine light came on after I only had the car for 4 months. The fact that the check engine light does not turn on during ignition ON may be due to a defective emissions control computer and/or a defective light bulb (Check Engine Light Lamp - 12v). Most onboard computers will recheck whatever problem caused the check engine light to activate multiple times. What Would Cause My Audi's Check Engine Light To Come On? Desert Oasis Auto Repair May 29, 2014 Audi The moment any Audi vehicle owner notices their check engine light has switched on, a moment of panic sets in. Still others will display yellow for. Check Engine Light Still On After Repair GMC Sierra Forum I disconnected the battery, so it should reset the check engine light. Average repair cost is $260 at 108,300 miles. After restarting the engine, everything was back to normal for a few miles - then the same problem. If the light is still flashing, turn off the engine and contact us to report your breakdown. Also, in some vechicles, if the batter is disconnected and reconnected, the service engine light will come on from time to time, going off and on simultaneously. If the connector is OK, short the wires together and clear codes. This problem is usually very easy to fix. It went down to about 10, then the check Engine Light came on and also the Oil Pressure Warning message. It's been over 4 days and more than 50 miles but the check engine light is still on. If the light is still flashing, turn off the engine and contact us to report your breakdown. Repair Cost $229. Technology is on its way to helping us figure out what's gone wrong when the check engine light comes on. Since the vehicle still ran, he took it to a part store that checked the codes. When the Service Engine Soon or. in addition the check engine light was on so i bought it in they replaced spark plugs, wires and coil pack now it seems to run better but the engine light went back on after 5 minutes. What Would Cause My Audi's Check Engine Light To Come On? Desert Oasis Auto Repair May 29, 2014 Audi The moment any Audi vehicle owner notices their check engine light has switched on, a moment of panic sets in. If you are comfortable doing basic checks under the hood, check if you have enough oil in the engine ( see how to check the oil level ), see if the battery terminals are tight, if the air filter box is closed properly. car has 250K 1) I have replaced the EGR Valve 2) Cleaned runner from base of EGR to upper intake manifold 3)Removed upper intake manifold and pulled a huge clog out of the egr port located on the lower intake. If the check engine light is still on after three days, your problem may not have been fixed or you may need to try some of the methods below to reset it. Checking an engine made after 1996 requires a handheld scanner. A new cap did not turn the the Check Engine light out after another 3 days so I took the advice above and disconnected the battery, believing that if it WAS more than just the missing gas cap, the light would come back on. Consumer Reports tells you what the check engine light means and what you should do when you see it.