1997 Gmc Sierra Recently Replaced Fuel Sending Unit Filter Pump Runs Constantly

1997 GMC SIERRA
228,000 MILES
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ANONYMOUS
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recently replaced fuel sending unit and fuel filter fuel pump runs constantly now and vehicle bogs when u floor it then runs fine when u let up on gas pedal
Dec 30, 2012 at 9:29 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
what is the actual fuel pressure???

check the cat converter back pressure as well.

Roy
Dec 30, 2012 at 9:31 AM
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