1990 Pontiac Firebird no spark no fuel

1990 PONTIAC FIREBIRD
150,000 MILES • V8 • 2WD • AUTOMATIC
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KDLOYD77
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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
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BLACKOP555
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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