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2001 GMC Jimmy

Tiny
MARLBOROMAN62
  • MEMBER
  • 2001 GMC JIMMY
Engine Mechanical problem
2001 GMC Jimmy 6 cyl Four Wheel Drive Automatic 270k miles

The engine cut off on the highway when doing 70 mph, I think it may be the fuel sensor or filter
Thursday, April 29th, 2010 AT 6:18 PM

1 Reply

Tiny
INTERNETMECHANIC
  • MECHANIC
  • 700 POSTS
If you think it is a fuel system problem, use a gage and check fuel pressure. Some of the national brand autostores used to loan out a fuel pressure gage, if you don't have one? I'm not sure of the litre size of your engine? The fuel pressure spec for the 4.3L is 60--66 psi.
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Friday, April 30th, 2010 AT 11:08 AM

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