1997 Oldsmobile Bravada no spark no fuel

Tiny
ROHTOM
  • MEMBER
  • 1997 OLDSMOBILE BRAVADA
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 144,050 MILES
Ive got a 97 Bravada and it just quit running. I replaced the fuel pump, the ignition module, the crank sensor and the computer. It turns over just fine. What could the problem be? Thanks
Friday, October 10th, 2008 AT 5:02 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do below to determine if its fuel or spark problem

Get a carb cleaner and spray into the carb or the throttle body on an EFI. Did it start and die? If not disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, distributor pick-up coil, ignition control module, cam and crank sensors- Note: If it doesn't apply disregard it
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Friday, October 10th, 2008 AT 5:38 PM

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