Question about 2007 GMC Acadia SLE
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Posted on Jan 02, 2017
SOURCE: hard cold start 96 safari
Check fuel presure.I believe its 61 to 65 psi, with little or no drop off in ten minutes.V-6 access port for fuel presure is at left rear of engine,(remove dog house to access). Fuel pump is in fuel tank.Use AC Delco only, there is a updated wire harness conector for these.
Posted on Jan 17, 2009
SOURCE: Hard start 1997 Gmc 4.3 Safari
take a fuel pressure tester pressurise fuel system dont crank .look at gauge at fuel pressure if it drops from 41 psi to 30 psi in .10 mins. you have a leaking fuel injector or injectors.flooding out engine
Posted on May 01, 2009
Try turning key to on only, not start, 2 or 3 times first then try to start. If it starts good first try, then I'd change my fuel filter & then have fuel pressure tested if fuel filter didn't help. You may be looking at a new pump, but lets do filter & test fuel pressure first.
Posted on Jul 06, 2009
that has a votec engine in it the fuel pressure is droping at knight and it takes 60 psi before the injectors will fire most likely cause fuel pump ,leaking injector ,or a feul pressure regulator
Posted on Jul 14, 2009
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