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1987 Oldsmobile Delta 88 Car dies after 15 min of driving/I

Tiny
CMACK28
  • MEMBER
  • 1987 OLDSMOBILE DELTA 88
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 14,000 MILES
When my car is idling, it only runs for 15 min then dies. I have to let it cool down before it will start again. I have a few ideas and solutions but I'm trying to ask anyone what could be the problem. Any ideas or solutions?
Sunday, October 17th, 2010 AT 8:28 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Next time it refuses to start don't wait for it to make up its mind-do below immediately to determine if its fuel or spark problem

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-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, coil's resistances, cap and rotor, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it and keep testing
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Sunday, October 17th, 2010 AT 9:47 PM

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