1998 Chevy Blazer i have fuel pressure and spark but not st

1998 CHEVROLET BLAZER
127,000 MILES • 6 CYL • 4WD • AUTOMATIC
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GOERGELAWRENCE
  • MEMBER
  • 1 POST
i have replaced the fuel pump and fuel filter ,i now have 60lbs at the rail but holds pressure when turning over, good spark but i dont think the injectors are opening.
Oct 1, 2010 at 3:06 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
If its a TBI you can see the injectors spraying when cranking it over-Spider injection-check the plugs if its wet from fuel or open the upper plenum and remove a poppet valve and crank engine-before you do this disable the coil
Oct 1, 2010 at 10:30 PM
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