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What would cause the check engine light to come on for a few seconds then go off at low RPM on a 1994 mercury cougar with a 3.8 V6?

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βˆ™ 2011-09-13 17:55:09

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Answer disconnecting the battery will turn off the light but won't fix the problem.it is more than likely low oil pressure at low rpm.usually a small leak around oil pressure sensorDisconnect your battery completely for about 15 minutes. Hook the cables back up, let the car idle for 2 or 3 minutes. This should take care of the problem. Basically you are just rebooting the computer on your car.
2011-09-13 17:55:09
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