Why doesnt work the four inyectors

2000 PONTIAC GRAND AM
138,000 MILES
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CARIBA
  • MEMBER
  • 2 POSTS
I removed the inyector of cylinder #1 for inspect, and when i replace it, the engine doesnt start, icheck sparks and are working and the fuel pressure is correct. i too remove the fuel rail to see if inyectors are working, but they are not.
Dec 14, 2011 at 11:34 PM
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FIXITMR
  • ✓ASE Certified Mechanic
  • 9,990 POSTS
  • ASE Certified Mechanic
maybe security system is not letting them?
Dec 14, 2011 at 11:56 PM
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CARIBA
  • MEMBER
  • 2 POSTS
is probable computer is damaged or a fuse is open, and wat can I do
Dec 15, 2011 at 12:34 AM
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FIXITMR
  • ✓ASE Certified Mechanic
  • 9,990 POSTS
  • ASE Certified Mechanic
check for 12v at injector plug with key on.
Dec 15, 2011 at 1:35 AM
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