Question about 1994 Toyota Camry

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1994 camry idols rough.was told it could be tps or coil pack check engine light was on and went off after we changed spark plugs but it still idols rough.what could this be?

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Actually, in today's cars on the road, a check engine light can mean literally hundreds of different things on the engine or transmission.

I would have the car scanned to see what codes have been stored in the computer to get a clue as to what is wrong with the vehicle's engine.

A rough idle could be caused by a coil pack, a tps problem would be more like a miss on acceleration kind of symptom.

However, before changing expensive parts, it would probably pay to have the codes scanned.

Posted on Aug 29, 2010

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