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Professional Automotive Repair Technical Discussions for July 31, 2005 International Automotive Technicians' Network (iATN) - Members Only |
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| (Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Chevrolet C2500 Cheyenne 5.7L Excessive Emissions, Hesitation, Stall VIN: 2GCFC29K3S When the pickup coil incident occurred the Engine ran very erratic which caused Catylytic Convertor to overheat and Glow Red all the way up to the exhaust manifold. The Intake manifold gasket had started to leak it was done as maitenance Item. The recent tuneu... |
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| 1998 Pontiac Sunfire SE 2.4L Excessive Emissions, Cuts out, Stall, MIL Lamp on VIN: 4G2JB32T1W Car came from other shop- codes PO172 and PO1133 set- new O2 front installed Checked frezze frame- LT -21%/ ST -25%/ Map 45 kPa/ Cal. Air flow 16.59 g/s/ 60 mph/ ECT 183F/ Fuel injector pulze 1.6 m/s fuel pressure runing 40 psi./ engine off holds at 28 psi. co... Trouble codes: P0172, P1133 (O2 counbt B1 Sensor 1 to few) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1993 Buick Roadmaster 5.7L compressor VIN: 1G4BN5379P Converted to R134a and replaced the Clutch Cycling switch with an AC Delco and Have not had a problem since.Sorry I wasted everyones time on such a simple fix. |
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| 2002 Chevrolet Express 1500 4.3L Excessive Emissions, Poor Fuel Economy VIN: 1GCFG15W12 Morning Techs Well, I finally got this van back. Seems the customer was on vacation. Anyway, It turned out to be the regulator, strange thing was, could not get it to leak in the garage when we would key the ignition. After it sat in garage over night we cam... Trouble codes: P0172, P0175. |
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| 2002 Chevrolet Cavalier 2.2L compressor thanks to all 14 technicians who replied the fix was that the grey 5 volt reference wire from the pr switch to the pcm was broken close to the switch connector thats why the pcm would not ground the clutch relay most all of you were correct are close thanks fo... |
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| 1998 Oldsmobile Achieva S 3.1L Vehicle Theft Deterrent VIN: 1G3NL52M2W Their were only two suggested repairs for this problem. One was the ignition switch which is the heart of the passlock system and the other is a problem in the IPC. As noted in the help request we had already changed the ignition switch assembly with no change... |
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| 2000 Oldsmobile Bravada 4.3L transfer case VIN: 1GHDT13W7Y Thank you to Steve and Dan,, i found that i would not have communication when the light came on, a new transfer case control module has fixed the truck,, thanks again. Jay |
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