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What would cause a Chevy Cavalier ETS check engine light to come on and the vehicle to run bad?
Wiki User
∙ 17y ago
You need to have the computer scanned to find the reason why the engine light is on. Some large auto parts stores do this for free Normally the ETS check engine light has nothing to do with the engine running bad. The ETS is part of the traction system in the car. Depending on the age of the vehicle, you might want to disconnect the negative battery cable on the vehicle for a few minutes, and then hook back up. In older vehicles, it will reset the computer and the light should go off. It does this in a 1996 model. Worth a try.. ETS stands for Enhanced Traction System, and has nothing to do with emissions or cooling. But the computer will almost always de-activate the ETS when a problem is detected, and thus turn on the light. This is normal on the Cavalier. The Check Engine light does mean the emissions system has a problem. Have the computer scanned for the codes by someone who is able to interpret the codes and not just throw parts at the problem. This takes skill and knowledge, so take it to a professional, and don't waste money guessing.
Wiki User
∙ 17y ago
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