1990 Pontiac Firebird no spark no fuel

1990 PONTIAC FIREBIRD
150,000 MILES • V8 • 2WD • AUTOMATIC
Avatar
KDLOYD77
  • MEMBER
  • 1 POST
about to pull hair out. we have changed ecm,ignition modual,changed security key switch with new key. we still have no spark or fuel
May 17, 2008 at 10:46 PM
Advertisement
Avatar
BLACKOP555
  • ✓ASE Certified Mechanic
  • 10,386 POSTS
  • ASE Certified Mechanic
you getting fuel to the rail just no fuel injector pulse?

i would really suspect a bad Crank shaft sensor to be your problem.
May 18, 2008 at 8:11 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.