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Re: 01 GMC Sannna 5.7 misfire codes
Posted to Technical Discussion Forum on 6/21/2005

After a bunch of playing with this thing I decided to remove the injector harness and see what was going on in there because i started to get a steady fuel pressure drop . so I took the whole spider to a bench hooked up a moto vac and now it holds again but i ... Login to read more.