engine problem

1989 CHEVROLET BLAZER
89,000 MILES • V8 • 4WD • AUTOMATIC
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89BLAZERPROBLEM
  • MEMBER
  • 12 POSTS
my 89 k5 blazer runs great untill complete warm up then i cuts out like flooding or not getting enough gas then if i push down on peddle as if to pass it clears up till i let off accelerator only does this after driving 10 m15 miles and doesnt stop untill engine cools down for several hours any help would be great
Feb 13, 2011 at 2:32 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check the fuel pressure with a gauge if its within specs to rule out the fuel filter and fuel pump-start here
Feb 13, 2011 at 2:41 PM
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89BLAZERPROBLEM
  • MEMBER
  • 12 POSTS
has brand new filter and new ac delco fuel pump also has brand new injectors not remaned
Feb 13, 2011 at 7:14 PM
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89BLAZERPROBLEM
  • MEMBER
  • 12 POSTS
also noticed a very sulfery smell from exhaust when this problem occurs
Feb 13, 2011 at 7:17 PM
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89BLAZERPROBLEM
  • MEMBER
  • 12 POSTS
also seem only under a load. idle is fine and will rev fine only in gear does it act up....egr clogged maybe have ruled out tranny
Feb 13, 2011 at 7:20 PM
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