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1996 GMC Sierra Engine not starting

Tiny
RENEEJEB
  • MEMBER
  • 1996 GMC SIERRA
1996 GMC Sierra

We have changed the fuel pump truck ran fine. Couple days later truck would not start. Fuel is not getting to the engine but the fuel filter is not clogged.
Thursday, November 6th, 2008 AT 6:49 PM

3 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Ive changed a pump before and one of the terminals in the connector was coroded and a few days later the pupm stopped working, needed a new harness for the pump.

Is the pump turning on?
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Thursday, November 6th, 2008 AT 9:09 PM
Tiny
RENEEJEB
  • MEMBER
  • 2 POSTS
Yes, The pump is kicking on and pushing the fuel through. It seems like there is not enough pressure or something to get it the enigine, but the filter was not clogged. Someone told us that it might be the ignition module? Or wiring somewhere?
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Friday, November 7th, 2008 AT 8:35 AM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Ignition module will not affect the fuel pressure. Your bet would be to buy a fuel pressure check guage and check the fuel pressure key on and then engine cranking. Whats the pressure?

We have to see if its with the pressure or the injectors
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Friday, November 7th, 2008 AT 10:38 AM

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