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Question

I have a 99 cavalier i just bought. The check engine light is on and flashes every now and then. when im at a red light or just stopped it runs rough and the lights dim. sometimes the ets off light comes on. i know its a cylinder 3 misfire, i replaced the plug wires already, what else could it be. its also very sluggish when cold

Submitted: 593 days ago.
Category: Chevy
Value: $15
Status: AWAITING CUSTOMER ACTION
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Optional Information

Optional Information:
1999 Chevrolet cavalier 2.2

Already Tried:
plug wires

Answer

Hello and welcome.

There are many things that can cause the things you describe. A flashing check engine light is very important. This indicates a problem with the running of the car that can cause possible catalytic converter damage. A flashing light is more critical than a steady light for that reason. You would need to get the computer scanned for codes as soon as possible. Replacing a catalytic converter is quite expensive.

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Expert: Joel
Pos. Feedback: 99.1 %
Accepts: 
Answered: 4/7/2008

Auto technician

GM, ASE Certified Technician. Chevy, Buick, Pontiac, Olds. Over 18 Years experience and growing.

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