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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for May 14, 2010
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Open Help Requests for GM
Help Request Answers
1998 Buick Century Custom 3.1L MIL Lamp on VIN: 2G4WS52MZW
Tried moving wires, replaced plugs wires and one coil pack that looked cracked, replaced cam sensor, can't find any tsb's any help would be appreciated. car runs great, customer only complains about light going on and off Trouble codes: P0341
1989 Chevrolet K2500 Cheyenne 5.7L Surge, Stall VIN: 1GTGK24K0K
Hi guys, here i have a good old tbi chevy truck, which runs fine when cold, but after warming up just a little engine begins to stumble and eventually stalls. This was bought in by a new customer who is a "parts changer". He has replaced nearly everthing relat...
1992 Chevrolet K1500 Silverado 5.7L Cuts out, Stall VIN: 2GTEK19K6N
truck has an intermittent cut-out, almost like a miss, all the time, but when cold will stall as soon as put in gear. it starts right back up and runs rough and will smooth out and run good except for occasional cut-out.
1997 Chevrolet S10 4.3L 1st Gear VIN: 1GCDT14X7V
Trans seems to start in 2nd or slips when accelerating from stop.Halfway through test drive symptoms went away. Of course shift points and tcc lockup were normal.Trans fuse at inst panel is good. Checked vcm connector for corrosion or backed out terminals and...
1997 Chevrolet K1500 Silverado 5.7L Hesitation, Cuts out, MIL Lamp on VIN: 2GCEK19R1T
this truck came to my shop because when you give it gas it does not rev up it stumbles and cuts out and sometimes dies the cam retard was at 20 degrees when it came in customer told me he replaced the engine and removed the distributor i removed the distributo... Trouble codes: P0171, P0174, P0151, P0131
1997 Chevrolet Tahoe 5.7L 4 wheel drive VIN: 1GNEK13R8V
Before we removed the transmission and transfer case and when I was stopped with the transmission in neutral I pushed the 2 wd and 4 wd button on the dash and it worked fine.I asked the customer if the 4wd buttons always worked and engaged he said yes.I replac...
2001 Chevrolet Silverado 2500 HD 8.1L No Start VIN: 1GCHK29G41
Thanks in advance! This truck has been a proublem for over 3 years. Just doing the relearn worked for a long time at first. Intermetint no starts, securety light flashes while driving. I have read all the closed repairs and I changed the key& tumbler and the h... Trouble codes: B2960, P1631 (Theft det start enable signal not correct), U1064 (u1024-), U1024
2001 Chevrolet Cavalier 2.2L No smoke out of tank VIN: 1G1JC12461
vehicle came with code P0442. I did smoke test found a brokent hose. code is fix. But my cuestion is Y when i was smoking the system no smoke came out of fuel cap. is there some kind of check valve on the hose that goes from canister to tank? If I smoke from t... Trouble codes: P0442
2002 Chevrolet Avalanche 1500 Z71 5.3L Mechanical VIN: 3GNEK13T82
Customer complains of low brake pedal. That was the original complant 25000 miles ago.Took to gm they told him that was normal for that type vechile. Today customer brouht back vechile for noise while driving.I test drove to listen to the noise and the brake p...
2006 Chevrolet Colorado LS 2.8L timing chain VIN: 1GCCS14846
This is a fleet vehicle that has had very good care since new by our shop. Recently it has developed a very loud noise intermittently when being started after a driving then being shut off for a few minutes. Doesn't do it on cold start. The noise is reminiscen...
2006 Chevrolet Malibu Maxx LS 3.5L 1-2 shift VIN: 1G1ZT618X6
Vehicle came in with harsh shift 1st sencond gear. replaced 1-2 shift solonoid, serviced filer and fluid. with no change noticed. cleaned mass air flow sensor, no change. any help would be appreciated. not real trans savy! sorry!
1997 Pontiac Sunfire SE 2.2L passlock/cluster VIN: 1G2JB1248V
Back in February we had a huge blizzard. Hit a pothole and lost all gauges except for speedometer and fuel gauge. Almost all idiot lights on. Few months later CEL comes on, gets cleared (P0325) and then won't stay running. It's acting just like passlock (runs ...
2000 Pontiac Grand Prix GTP 3.8L Poor Fuel Economy VIN: 1G2WR5218Y
please help. i just bought this vehicle a couple of months ago. i bought it with no idler pulley and belt for the blower. replaced both at about 78,000 miles. now new pulley has broke and smoked the belt 3,000 miles later. does anyone know if there is a tsb fo...
2001 Pontiac Aztek 3.4L a/c VIN: 3G7DA03E01
hey everybody!i had this new costumer with the mil on at his car,he had a whole bunch of codes so i recomend to do the basic stuff first wich was a tuneup,after that carstart running beautiful and the owner happy.so i told him:ok i reset the light for now but ...
2004 Pontiac Grand Am SE1 3.4L Compressor VIN: 1GNF52E34M
Vehicle came in due to a/c was not working checked for codes had one code 645 compressor clutch coil circiut malfunction,checked clearance of the clutch and replaced compressor,vehicle was blowing fuse number 37 and after replacing compressor problem appears t...

Fixes & Summaries for GM
Fix/Summary Answers
1998 Buick Regal LS 3.8L Pedal VIN: 2G4WB52K4W
As per many suggestions I pulled my head out of my butt and pulled the rear rotors and checked them over closely. Found that the car had been parked for along time somewhere in its life and where the rotors and pads met had rusted very deep pits in one rotor. ...
2000 Cadillac DeVille DTS 4.6L gearshift VIN: 1G6KF5799Y
Thanks for the help...we found a wire pinched when putting the dash back after the blend door repair.
2002 Chevrolet Corvette 5.7L MIL Lamp on VIN: 1G1YY32G72
Thanks for all the help, turned out to be a vacuum line under the battery box/ hidden in a loon, ws rotted throught by battery acid, Might be a good place to start looking if ou run into this code. The strange thing is that when that line was first checkes it ... Trouble codes: P0410 (Secondary air system).
2006 Chevrolet Corvette 6.0L mesage center VIN: 1G1YY26U87
thanks for all who replied,removed a/c condensor and that fixed the a/c no effect on service vehicle soon light.in the process I noticed a disconected wires close to rack and pinion,( yes when you are frustrated you ask GOD please this be the problem)and that ...
1989 Oldsmobile Cutlass Ciera 2.8L No Start, Stall VIN: 2G3AJ51W2K
this one is fixed!!! found #5 inj shorted . replaced with reman only thing avail . now it runs fine thanks for all the help ,i would not have thought 1 ijn could have caused that type of problem.you learn new things every day ,thanks again very helpfull
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