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Open Help Requests for GM
Help Request Answers
1994 Buick LeSabre 3.8L Hesitation, bucking
there is a slight bucking going up a grade under load. new wires/ plugs and cam sensor. check of harmonic balance and crank sensor ok. we will check further on monday morn but any help will be much appreciated. Trouble codes: po341 (intermittant cam sensor signal), po342 (cam sensor failure).		 View
1983 Cadillac Eldorado 4.1L Poor Idle Quality, Surge, Misfire
This Cadillac is killing me. Vehicle presented with a moderate ignition misfire. When vehicle was first given to me, I found that the #5 plug wire had burned through on the exhaust due to poor wire routing. Replaced cap/rotor and wires at this time. Plugs appe...		 View
1989 Chevrolet Corsica 2.0L Stall
hello everyone, this vehicle is my father in-laws, last thursday he called and said that it stalled in his driveway, went over and looked at it and found that it was not getting any fuel, but we found that with the alternator unplugged it would run. long story...		 View
1996 Chevrolet Pickup 5.7L Hesitation
customer brought truck to my house after new plugs and wires. car runs ok before 50% on throttle then hesetates and bucks very bad after 50 percent . put in new tps sensor, new mass air flow sensor, new fuel filter seem a little better so gave back to customer...		 View
2000 Chevrolet S10 Pickup 4.3L Cuts out
This truck was referred to me from another shop. This truck will always rev limit shutdown at about 4100 rpm. recording a shut down show's rpm reaching a little over 4100 then jumps to 7500 exactly every time and will continue that cycle as long as foot is on ... Trouble codes: po339 (crank sensor intermittant).		 View
2003 Chevrolet Silverado 5.3L Rear Axle
Greeting Fello Technicians, Got a problem with my own 2003 Chevy Silverodo. I picked this up several weeks ago from an older gentelman. The problem I'm running in to is a thumping /clunking noise in the rear axle while driving down the road. I notice it more ...		 View
1999 GMC Yukon 5.7L wipers\power windows\radio only
GM Techs we need your expertise on this strange electrical malfunction- the wipers\power windows & radio stop working and no power to affected fuses for these circuits.Checked wiring diagrams for these circuits & see no common denominator.May be reading the ch...		 View
2002 Pontiac Grand Am 3.4L No Start
the vehicle will start right up after a period of rest. after vehicle has been running 3 to 5 minutes, you shut it off and it will start right back up once if you turn the key right after shutting it down, but the second try the engine only cranks. plenty of s...		 View

Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick Rendezvous 3.4L ses+security messages
Hi gang, 14 responses,most said Replace BCM,Evidently i had continuity on the class2 data line, just corrupt or impropper message sent out from bcm, Pretty common prob. They seem to have a hi fail rate We installed bcm,took to local dealer + had it flashed, al...		 14
1991 Chevrolet Pickup 6.2L transmission
Hi everyone.I am closing this post because I believe I have the answer but have not tried it yet.The rear speed sensor probably has rust under it and has caused it to move up in the mounting hole wich will affect the signal,or the tps is defective.When I have ...		 4
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