Help with emissions
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Joined: Sep 2012
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Year: 1994
Model: Grand Cherokee
Engine: 4.0
Help with emissions
94 GCL 235xxx miles-- failed the NJ DMV test for high HC at idle--looking on the internet I saw recommendations for repairing vacuum leaks and replacing the air filter--found and fixed two suspicious vacuum lines and replaced the filter--on re-inspection HC at idle dropped from about 350 to 230--I need 220 to pass--any more ideas to help avoid a trip to the mechanic--Thanks
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