2002 Chevrolet Blazer Intermittent Fuel Pump

Tiny
02CHEVYBLAZER
  • MEMBER
  • 2002 CHEVROLET BLAZER
  • 4.3L
  • V6
  • RWD
  • MANUAL
  • 85,000 MILES
I have been banging my head for the past few months - replaced the fuel pump/wire pig tail with AC Delco ( and new fuel filter ). Worked for a few weeks - then no pressure/juice to pump. Dropped the tank/reinstalled pump ( just in case there was a short somewhere ) - worked for a few weeks then no pressure/no juice to pump. My questions is this - would a failing / faulty oil pressure sending unit cause kill the power to the pump and how would I know if this is the problem. Is there a way to test this before removing the distributor cap / replace unit. One other tid bit / I have noticed while running the oil pressure fluctuates quite a bit at idle after the engine warms up / sometimes dropping low enough to almost stall. Any ideas./ Advice?
Friday, December 19th, 2014 AT 10:36 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check for a poor connection at switch and replace it poor oil pressure will cause your problem.
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Friday, December 19th, 2014 AT 12:12 PM

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