I know that there are many things that can, according to the documentation, trigger the CEL. However, I've only ever seen 1221, O2 sensor.
I recently spent a day at the track, where the CEL light insisted on being on the entire time. Of course, it only ever recorded 1221, but it worries me to run a car on track with the CEL light lit.
Has anyone ever had a well running engine throw a different CEL light, wherein you wished you had taken action based on that light sooner? Or do people generally ignore it as long as the engine continues to run strong and without noise?
I recently spent a day at the track, where the CEL light insisted on being on the entire time. Of course, it only ever recorded 1221, but it worries me to run a car on track with the CEL light lit.
Has anyone ever had a well running engine throw a different CEL light, wherein you wished you had taken action based on that light sooner? Or do people generally ignore it as long as the engine continues to run strong and without noise?
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