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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 14, 2012
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Open Help Requests for GM
Help Request Answers
1990 Chevrolet K2500 Cheyenne 5.7L No Start VIN: 1GCGK24K8L
Hi we have a 1990 chevy 2500 pick up with a 350 engine.it was towed in.the vehicle had fuel but no spark at the plugs.it did have spark at the distributor from the coil.we replaced the cap and rotor.the cap was cracked.after that,there still is no spark at the...
2000 Chevrolet Silverado 2500 6.0L Surge VIN: 1GCGK29U4Y
I got a 2000 chevy p/u when you are driving down the road it wants to drive it self if you get above 60 kph it will eventualy slow down but takes a long time. Also if you are sitting still with trans in nutral and start to roll forward it will rev up to 2000 r...
2003 Chevrolet Silverado 3500 8.1L Sticking throttle VIN: 1GCJK33GX3
Brought in for "sticking throttle"!When the pedal is applyed over 1/2 throttle then realeased to 0 throttle(foot off compleatly)vehical still accelerates for appoxmetly 5-8sec befor slowing down!!will also shift 2 to 3 gears during this time!!APP readings 1 an...
2004 Chevrolet Silverado 3500 6.6L lost of power VIN: 1GCJK39114
Vehicle came in on a hook.Customer said he was driving down the highway heard a noise truck lost power and fuel gauge drop to empty and check engine light came on.Check for codes P0202,P0203,P0205,P0208,P1249.Check wiring check and cleaned grounds could not cl... Trouble codes: P0202 (cyl.2-injector circuit promblem), P0203, P0205, P0208, P0208, P2149 (Inj. Position voltage control curcuit Group 2)
2004 Chevrolet Express 1500 5.3L False ABS activation under 10 mph VIN: 1GBFH15T94
Got a real headache here. I hope someone can relate to my problem so I can get er done. Thanks for taking time to help. The problem is a false ABS activation below 10 MPH and brakeing hard. It needed front brakes so I started with a complete front brake job wi...
2005 Chevrolet Venture Plus 3.4L No Start VIN: 1GNDV03E65
This mini van is driving us crazy. This van will be fine for period of time from a day to a week and for no reason the theft system will activate and will not start. The only thing we can do is run the thiry minute theft relearn process and it will start every...
2007 Chevrolet Trailblazer LT 4.2L starting VIN: 1GNDT13S97
im stumped something is not getting power
2000 Pontiac Grand Prix GT 3.8L Poor Idle Quality, Surge, Misfire VIN: 1G2WP52K8Y
Veihcle came in with complaint of running very rough when owner got out of work each day. Seems to be more prevalent when cold burt we seem to have had the issue when warmed up also. When car starts running very poorly, heavy missfires on cylinders 1 and 2 whe... Trouble codes: P0300 (Random missfire)
2008 Saturn Vue XE 3.5L 1-2 shift VIN: 3GSDL43N58
Replaced Trans with a new one and now I cannot get it out of third gear default.has codes for lost communication with TCM code U0101 and trans code P602 no comm with trans.Do I need to have TCM or ECM reprogrammed with this new trans?

Fixes & Summaries for GM
Fix/Summary Answers
2001 Buick Park Avenue 3.8L master cylinder VIN: 1G4CW54K61
Thanks for all your help. Ok when I seen some one say are calipers upside down my first reaction was that my technician that installed them would have never done that. Then I seen about pushing all the way to floor. So I installed the new master cylinder and h...
2007 Buick Rendezvous CX 3.5L alternator VIN: ATH0MED0NT
ok got this fixed...was kinda silly to even post i know..did drop cradle on pass side and took ps pump loose and repositioned took stud on upper intake out to provide a little more clearance...reman alt that was on it was slightly bigger overall than the alt t...
1994 Chevrolet Lumina Euro 3.1L Hesitation, Misfire, Poor Fuel Economy VIN: 2G1WN54T9R
well we took the motor apart and found a worn cam lobe. it was .080 shorter than the other exhaust lobes. Guy decided to replace motor. All is well now. Thank you to everyone who posted.
2000 Chevrolet K3500 7.4L Fuel guage VIN: 1GBJK34J9Y
Thank You all for your help.Found rear fuel sending unit shorted to ground,lift pump bad and module burned.Replaced all three and fuel transfers and gauge now working.
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