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1993 Oldsmobile 88

Tiny
ERICK LARSON
  • MEMBER
  • 1993 OLDSMOBILE 88
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 140,000 MILES
No spark will turn over will not fire replaced crank sen. Coils ecm had icm checked 4 times its fine dont understand help.
Wednesday, April 28th, 2010 AT 10:47 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it.
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Thursday, April 29th, 2010 AT 1:07 AM
Tiny
ERICK LARSON
  • MEMBER
  • 2 POSTS
93 olds eighty eight no spark no fuel injector pulse, traced wires, replaced icm, pcm, coil packs, crank sensor. No rpm response while cranking engine using scanner. 1 out off 10 tries the rpm will be erratic from 600 to 6000 rpm while cranking engine, than stop cranking engine and it will show about 680 rpm on the scanner, the fuel pump will continuely run! Shut the ignition off and turn back on and the fuel pump will prime, shut off try to crank and no rpm and no spark or fuel injector pulse!
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Friday, May 7th, 2010 AT 3:42 PM

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