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#11
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I had the same problem and just recently found out what it was. If you say your ICM is fairly new then try and check ignition coil itself...got mines running fine now
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#12
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3 weeks later and the problem has not re-surfaced and I have done nothing. What a PIA this intermittent stuff is.
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95 Impala , 96 Motor/PCM, Ported/Polished Heads - 2.02's / 1.6's, Custom LE Cam, Mike Harris FL Headers, 3.0" Duals, 3.73's with Auburn Posi, CAI and 3.5" MAF, BH Tune, 150 Shot, Custom Performance Tranny, Dual Snorkel Glass Hood and Front Bumper, DGGM. 2009 Pontiac G8GT
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#13
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My similar problem turned out to be a wire to the icm that was broken inside the insulation. Perhaps the "wiggle" test might reveal this. Check for worn/damaged connectors as well.
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#14
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I'll second 1slow96's advise....if there was one place GM cut corners on, it is the wiring in these car's.
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"A true lady takes off her dignity with her clothes and does her whorish best. At other times she can be as modest and dignified as her persona requires." \'96 IMP SS BBB ,Stock, airbox is swiss cheese, K&N filter, Ultra Flows. |
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#15
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Even though this thread is from a few months back, I want to add that my car has just started doing this today. The wiggle test indicates the connection to the ICM, as when I barely tug on it, the car shuts off like the key was turned off. So +1 for the wiggle test.
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96 9c1 Caprice (Former Ada co. (Boise Idaho) Sheriff's Office) Afterburner headers, 2.5" catback w/Flowmaster 50's, egr/air/evap system gone, homemade CAI, TB bypass, 160 t-stat, meziere ewp, pcmforless tune, UMI rear UCA/LCA, moog 7268 front springs, energy suspension bushings, 'The Jetsons' roof antenna, Z28 cluster, driveway paint job. |
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#16
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it could still be fuel related..you suggested it would run ruff before it shuts off not always..i would still check your fuel pressure if it does it again.the wiring harness in the tank is a gremlin for just shutting off. keep us posted.
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http://www.youtube.com/watch?v=GRqsOvpSxA4 President of SoFASST.com 05-06 1st place 94 class nationals 05 3rd place sound off 06 3rd place autocross also as seen on the ITT commercial 95 caprice wagon impala clone |
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#17
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Dave, didn't you get this figured out? It was a loose ground, right? Or am I thinking of another random failure you had at Nationals?
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Jonathan 96 Impala SS, DGGM, 2nd owner, 98k miles, #39736 of 41934, Build Date - 22 November 1996 92 Honda Accord 2 door, 338k miles, daily driver 06 Honda Accord 4 door, wife's car 02 Chevy K2500 regular cab, lwb, 6.0 gas 84 Chevy K10 regular cab, SWB, 305 w/4 speed granny, sentimental family truck 67 Camaro, body only, Pro Touring type car planned.
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