Changed the front two o2 sensor , added 93 octane gas , run fine for 10 miles , then shut off tru...
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All 1999 GMC Savana 2500
1999 GMC Savana 2500, 5.7L V8, Visitor, Tolleson, AZ, March 21, 2011, 10:40
about 2weeks of starting problems,would not turn over right away hesitant to start