2003 Chevy Suburban V8 Four Wheel Drive Automatic 125000 miles
runs good on highway but rocks while idle. Replaced number 7 injector, fuel pump and manifold gaskets with tune up and fuel cleaner all done at dealership. Over $1000 and still runs rough. Mechanic friend says sounds still like vacuum problem . Where would the problem be or is it something else? (What runs off #7 vacuum. He also sugguested if something was going bad it could could the problems.
have the same problem?
Monday, February 18th, 2008 AT 11:11 PM