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1990 Chevy Lumina Fuel System

Tiny
DAVIS.JAMESR
  • MEMBER
  • 1990 CHEVROLET LUMINA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 230,000 MILES
Recently my fuel pump went out on me, I have had this problem before and replaced it and everything ran fine again. But this time my fuel system wont pressurise. I got over half a tank of gas in it, I replace the fuel pump perfectly and all connections are good. Relay & fuse are both good, but when I turn the key on the fuel pump runs but the system does not pressurise. What could be causing this to happen?
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Wednesday, June 16th, 2010 AT 4:03 PM

1 Reply

Tiny
INTERNETMECHANIC
  • MECHANIC
  • 700 POSTS
I'd use a gage and check fuel pressure. If you take the supply line loose from fuel filter and aim into proper size container. If you cycle the key, any gas? Keeping a fire extingusher handy isn't a bad idea. Gas fumes in an enclosed area isn't a good idea.
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Wednesday, June 16th, 2010 AT 4:22 PM

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