Most car computers will reset themselves after a certain number of "drive cycles" but the problem is still there … But it does goes out within a day. By far, the best way to reset the check engine light is to fix the problem that the … Cartalk.com is a production of Tappet Brothers LLC d/b/a Dewey, Cheetham and Howe. On the way home the check engine light went off on its own. The car was running fine, 20 mpg as always. 7. How do you think about the answers? Here’s something you … When some car system fails to pass a test the check engine light turns On. Then, drive your vehicle around and check to see if the light goes off. This can be annoying, cause you to fail an emissions (smog) test, or keep you from finding out about future problems the vehicle's computer might be trying to alert you to. But now it won't go out for an entire day. Can Check Engine Light Turn Itself Off? Finding out why your Check Engine Light is on may help you save gas and avoid more problems down the road. If it is on when u go to inspection, your car will not pass The light could go off on its own if the problem fixed itself and there is anough time for it to pass it's selftests enough Dear Tom and Ray: Sometimes your check engine light won’t turn off even after you’ve fixed the problem with your vehicle. Fix the Problem. If they test ok, you'll need to dig a little deeper to find out what caused the fault code to appear. After a few driving trips, the light should turn off … He will collect his $24.95 and tell you to come back again. A check engine light will shut itself off if the condition that caused it is remedied. Did the light burn out? When that happens, you’ll need to manually reset the light. Chances are that you’ve had your check engine light issue fixed BUT the light is still on! This can result in curing whatever reason the initial code was generated. The AutoZone Fix Finder. how do those parking lot crash videos happen where it just looks like they are flooring the accelerator. -- Russell Join Yahoo Answers and get 100 points today. He told me converters usually last about 130,000 miles. This does not suggest we have solved the problem. Or in other words, the cross-counts of the O2 sensor are starting to slow down. This light displays itself when the onboard computer system recognizes an electrical or mechanical problem with your vehicle. And it’s getting on your nerves. I don't think the oil change had anything to do with it. Once the cap is put back on and a drive cycle occurs where the computer can detect that everything is good, the light will go off. The best way to start on this is to do some basic cleaning per the attached links. Don't Ignore That Light Mazor says that some people freak out when they see the check engine light. Maybe it cost you a fortune. One option is to turn the ignition on and off 3 times in a row. Spark plug/ignition coil issues. So, if your converter is marginal, and you did a lot of stop-and-go driving, which creates high demand for the converter… Question: My check engine light came on and was steady (not flashing) for about a week without any apparent engine issues. The check engine light is your car’s way of alerting you that something's amiss — but it could be as minor as a loose gas cap, or more serious, like a faulty oxygen sensor. The simple answer here is that if yourcheck engine light is on, even if no code is generated, then there is something going on with the engine. Get in the Zone. Couple months ago, check engine light suddenly started illuminating. Get your answers by asking now. It takes 3 failures for the light to turn on. Important: if you're fixing a problem to pass a smog check, drive your vehicle for a day before taking it for testing. The technician can tell if you recently (within 50 miles or so) deleted the code. 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2020 check engine light went off on it's own