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1998 Oldsmobile Bravada not starting

Tiny
SUNFLOWERS417
  • MEMBER
  • 1998 OLDSMOBILE BRAVADA
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 145,000 MILES
I am having problems getting it started in the morining. I have replaced battery. Had the starter and alternator check they are good. Had a complete tune up done 3 months ago so not the spark plugs. What could be the problem only having the problem when the truck has not been driven for over 7 hours. If it been driven within a few hours it starts right up. If it has been over 7 hours it can take as much as 10 times to get it to turn over and get the engine running.
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Wednesday, May 20th, 2009 AT 6:25 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Next time it refuses to start do below to determine if its fuel or spark problem

Get a helper 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 related 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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Wednesday, May 20th, 2009 AT 8:02 AM

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