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1997 Chevy Cheyenne Fuel Pump Repeatedly Fails

Tiny
TMLLMT
  • MEMBER
  • 1997 CHEVROLET CHEYENNE
  • V8
  • 2WD
  • AUTOMATIC
  • 150,000 MILES
I have a 1997 Chevy C1500 extended cab with a 5.7L V8. Over the past 5 years I have put 10 fuel pumps in it. Some have lasted months, others just a few starts. I have had the wiring checked over several times and there are no shorts. Can you tell me where to go from here? I would like to install an inline external fuel pump, but don't know where to find the appropriate parts. Any help you can provide would be greatly appreciated.
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Thursday, August 26th, 2010 AT 2:58 AM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
You cannot use an external pump.

These pumps have a know problem with the connectors going to the pump with the contacts springs getting weak and not making a good contact which leads to a voltage drop to the pump. Most of the deals sell a replacement pigtail to resolve the problem.

You also can't use the cheap aftermarket pumps. You need to use only Delco replacement pumps.
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Thursday, August 26th, 2010 AT 4:41 AM

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