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Prev Professional Automotive Repair Technical Discussions for May 26, 2015
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Open Help Requests for GM
Help Request Answers
2001 Chevrolet Silverado 1500 5.3L Transfer Case VIN: 1GCEK19T71
My problem is that the transfer case wont dis engauage the front drive shaft although the button on the dash says 2 wheel high
1985 GMC Caballero Amarillo 5.0L Poor Idle Quality, Cuts out VIN: 3GTCW80HXF
we went through the whole powertrain of the vehical to get it on the road, Replaced the ECM cause the old one wasn't working, Customer took it and with in a short time it dieing at idle, What were running across is a code 51, PROM. my parts supplier cant get o... Trouble codes: 51 (prom)
1988 GMC K1500 Sierra SLE 5.7L No Start VIN: 1GTDK14K7J
I have got a 1988 chevy in here with what I thought would be a simple no start. Found fuel pulse and no spark. Pulled distributor cap and found rust and green corrosion everywhere, so put in a distributor. Now have spark but can not get vehicle to run. It back...
1997 GMC K1500 Sierra SL 5.7L engine tapping VIN: 2GTEK19R9V
engine previously had 3 spun rod bearings and 1 main bearing, I overhauled engine personally, had block main bearing bores resized and align honed, cyls had no wear so nothing done there except for ball hone, connecting rods resized, engine kit was used from M...
2005 GMC Envoy SLE 4.2L Cuts out, Stall, MIL Lamp on VIN: 1GKDS13S05
Vehicle came in stalling intermittently when coming to a stop. Code P0017 present. Monitored cam desired and actual degree data while engine began running rough and was about to stall; found cam desired would be 0 when coming to a stop, but cam actual begins ... Trouble codes: P0017 (CKP to exhaust CMP correlation B1)
2004 Pontiac Grand Prix GT2 3.8L Cuts out VIN: 2G2WS52274
Has a misfire on 1 3 5 at 1900 rpm plugs wires replaced des idle of 720 on scanner actual 1100 smoked and found no vacuum leaks o2 sensor on bank 2 does no switch as it should stays around 794 to 854 any thoughts

Fixes & Summaries for GM
Fix/Summary Answers
1995 Buick LeSabre Custom 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G4HP52LXS
I would like to thank everyone who responded to my request for help, it is much appreciated. We checked for the cam magnet it was in place and we checked for chain slop as Steven [...] suggested and it was ok. The only thing we were not able to do was scope th... Trouble codes: P0341.
2003 Chevrolet Express 2500 4.8L No communication VIN: 1GCGG25V03
Thanks to all who took the time to read this post and offer help. Happy to report that this vehicle is fixed, but his RADIO may not work anymore! Yes, it was the radio tapped into a yellow connector behind the radio console, which was entirely removed to fit t...
2003 Chevrolet Malibu 3.1L No Start, no pulse VIN: 1G1ND52JX3
Time to blow the dust off my dunce cap (probably not that dusty, may be giving myself too much credit). Have never previously seen a passlock issue without any bcm codes. Needless to say, I have now. Thanks for all responses. Trouble codes: P1189 (oil pressure switch circuit).
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