2002 Chevy Tahoe Fuel pressure problem

2002 CHEVROLET TAHOE
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SHIRLEY39
  • MEMBER
  • 1 POST
Engine Performance problem
2002 Chevy Tahoe V8 Four Wheel Drive Automatic
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Have fuel pressure up to line 100 lbs. check at line on fuel rail, only 40 lbs. Replace fuel pump , replace pressure regulator. Suppose to have 48 to 55 lbs pressure I only get 40 lbs.
Jun 12, 2008 at 11:13 AM
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RHALL77
  • ✓ASE Certified Mechanic
  • 3,361 POSTS
  • ASE Certified Mechanic
you may have an injector bleeding down. does the fuel pressure slowly drop.
Jun 13, 2008 at 8:40 AM
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