You need to figure out why the light is on to diagnose the problem. The ECU has a self diagnosis mode where it flashes and based on the number of flashes you can tell what error code is being sent. You should search the forums for this as it is explained, you can also find a list of the codes and what they mean.boomernook said:
engine light
hey group, im hoping someone has some insight to my problem with my 91 sentra. I am overdue on my registration because I need a smog check,however, my engine light stays on althought there is nothing wrong with my car. it does go off at times but im never near the smog station when it does.I m trying to avoid a big fee in getting it checked out when it possibly could be somethin as simple as tightening a screw underneath my car .Im hoping someone has some insight on this problem.I need help asap thanks for listening .I am in the bay area california ,san jose if anyone is from here and knows a good reliable trustworthy mechanic
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