Re: Back fire at start
High fluctuating idle is another common sign of vacuum leak. How is your cruise control and HVAC working (do all the different vent positions function properly)?
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2004 Z06/Z16 LeMans Commemorative Edition
1991 ZR-1 #302 White/Gray (sold)
1991 ZR-1 #1147 Red/Saddle (sold)
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