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Fuel pump went so we had it replaced

Tiny
SLIWA27
  • MEMBER
  • 1998 GMC C1500
  • 220,000 MILES
Fuel pump went so we had it replaced. Mechanic didn't replace fuel filter at the same time. Truck ran, but kept stalling. Finally it quit starting. We replaced the fuel filter, still wouldn't start. Checked all electrical and it is working. Sprayed starting fluid in carb and it started up, took about 3 times stalling and starting to get it to keep running. Drove it one day. Next morning it was hard to start, but did start. Let it run a while. Got in and it stalled when brake was pressed to put it into drive. Now it won't start again. Seems like fuel isn't getting to carb or something. Any ideas?
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Tuesday, October 16th, 2012 AT 4:51 PM

3 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Check the fuel pump installation. Seems pressure is not holding or getting to the fuel rails.

Your vehicle is not equipped with carb. It is fuel injected and you must be refering to the throttle body.
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Tuesday, October 16th, 2012 AT 4:57 PM
Tiny
SLIWA27
  • MEMBER
  • 2 POSTS
I can hear the pump kick on when I turn the key and it is getting to the filter because it was spraying out when we first installed the filter and didn't tighten connection well enough. It doesn't seem to hold pressure though.
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Tuesday, October 16th, 2012 AT 5:23 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
If it is not holding pressure, either the fuel pressure regulator is bad or the leak is intank meaning the hose between pump and housing is bad.
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Tuesday, October 16th, 2012 AT 5:44 PM

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