AUXILLARY EMISSION CONTROL CODE

GMC

Tiny

Mr fixit

April, 8, 2006 AT 11:02 PM

I have a 1997 cavalier 2.4L 147,000 miles. It hesitates when accelerating slowly. The check engine light is on and the code indicates an auxillary emission control problem. I had the catalytic converter checked, its OK. The local dealer service dept. Says that it's a vucuum leak on an emission sensor. How are you supposed to find a vacuum leak? And where is the first place to start?

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