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1990 Oldsmobile 88 Car may start but won't stay running.

Tiny
BANYSDAD
  • MEMBER
  • 1990 OLDSMOBILE 88
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 134,000 MILES
If I can get it started, it idles extremely rough and will only remain running if I'm peddling it. Changed coil and coil module to no avail. It does appear to be getting spark and fuel. Any ideas?
Friday, June 4th, 2010 AT 6:34 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Clean out the idle air control valve, EGR and PCV valves and see what happens
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Friday, June 4th, 2010 AT 6:57 PM
Tiny
BANYSDAD
  • MEMBER
  • 2 POSTS
No luck when cleaning out those parts. Thought about potentially the timing chain but see spring movement in heads when turning over the motor. What about the crankshaft position sensor? Would that cause it not to start? Do you have to remove the vibration damper to get to the crank position sensor?
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Saturday, June 12th, 2010 AT 10:46 AM

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