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Prev Professional Automotive Repair Technical Discussions for March 11, 2006
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Open Help Requests for GM
Help Request Answers
1991 Buick Skylark 3.3L Poor Idle Quality, Hesitation, Surge, Stall VIN: 1G4NV54N4M
hello guys im back with another gm. this one come in with a stalling and rough idle complaint. performed ign service plugs and wires that were crossfiring which took care of the misfire and stalling. but at idle it still rough. checked for vacuum leaks and fou...
1997 Cadillac DeVille 4.6L traction control VIN: 1G6KD54Y4V
when starting of from a dead stop the traction control warning comes up on the dash and it doed engage. the abs and traction warning light are on. the car had a code for the left fron speed sensor too much vibration. the sensor checked ok but we replaced it an...
1996 Chevrolet K1500 Cheyenne 5.7L Mechanical VIN: 2GCEK19R3T
the problem is a bad buck that you can feel in the whole truck when it happens it happens at cruising and seens like the tcc is locked up we have tuned it up cleaned the injectors flashed the pcm to no avail i feel this is tranny problem but i might be wrong t...
1998 Chevrolet Venture 3.4L bcm? VIN: 1GNDU06E9W
New Customer. Saw first time about a week ago. Van runs fine, Starts fine. Problem is customer came in with key in hand stating van would not shut off. Sure enough, went outside and van was running (no key in it). Put key in ignition, cycled 2 or 3 times, with...
1992 Oldsmobile 88 Royale 3.8L MIL Lamp on
Hello all. I think I know what has happened but wanted to send this out before doing the repairs. Code 41 is set in history along while occuring all the time. Checked for the magnet first. Still there. Did the code 41 chart per Alldata and come down to the poo... Trouble codes: 41 (cam sensor inop)
1998 Pontiac Sunfire GT 2.4L Poor Idle Quality, Surge, Cuts out VIN: 1G2JD12TXW
this sunfire came in for a constant surge .rpm is from 1000 to 3500 rpm at idle .the pulse width goes from 0 to3.5 if we almost completely close off the idle air control port inside the throttle body the vehicle idles good. we have changed the idle air control...
1997 Saturn SW2 1.9L All shifts VIN: 1G82K8271V
Hi Saturn Techs My students and I thought we had this on nailed with a new valve body but, same symptoms slightly differently codes. (were we getting the above codes but also PO733 AND PO783 before the codes) Yesterday we traced all the wires from the PCM to...

Fixes & Summaries for GM
Fix/Summary Answers
1995 GMC C1500 Sierra SL 5.7L Hesitation, Surge VIN: 1GTEC19K6S
dist 0k.Previous repair for hesitation was leaking egr valve at pintle.Mechanic (not tech)installed new egr valve with wrong orfice washer(to big of an orfice hole in washer)in after market egr valve.Creating same condition,a hesitation.Installed correct size ...
1993 Oldsmobile 88 Royale 3.8L Hesitation, Stall VIN: 1GBHN53L2P
Thanks you every one, I recieved lots of good advice. In the last set of replys I read the majority mentioned the baffels in the tank, since I hasd already exausted all other tests (fuel psi, injector pulse, PS SW, battery, ABS, etc.) I droped the tank to insp...
1998 Oldsmobile Silhouette Premiere 3.4L will not go over 2500 rpm's VIN: 1GHDX03E5W
thank you for your help guy's, i had to refer this customer to another shop that has more experience in these types of problems. we are transmission experts. thank you wally [...]
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