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Problem for GMC 1998 Sierra
1998 GMC Sierra- runs rough then stalls when
By mvillen248 on Jun 04, 2009
1998 GMC Sierra with 5.7 vortec. runs rough then stalls when stepping on accelerator. Have put on new fuel pump, new fuel pressure regulator, new fuel pump relay, new air filter. No leaks in fuel lines, truck starts and runs but loses pressure and stalls out still. Pressure about 62 then drops. please help
Clarification Request
Posted by soc21610k on Jun 04, 2009
62 is that a fuel pressure test?
Posted by carhob on Jun 04, 2009
did u check if voltage at pump was fluctuating?
Posted by duane_wine on Jun 04, 2009
what about fuel filter ?
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