Awasome 2003 C240 Check Engine Light Ideas. I made sure she had the fule cap on correct & she hadnt gotten gas since last week so i knew that was not it. Web a check engine light that’s on or flashing could be a symptom of a serious problem in your car’s ignition, possible causes can include a failing oxygen sensor, damaged spark plug,.

Web the video above shows how to locate the on board diagnostics obd plug location on your 2004 corolla, how to read the trouble codes and how to reset or clear the check engine. Check engine light came on an car stalled a bit. Web a check engine light can indicate a broad spectrum of problems with your 2004 acura tl.