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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 2, 2012
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Open Help Requests for GM
Help Request Answers
2000 Chevrolet Venture 3.4L Evap VIN: 1GNDU03E4Y
Hello everyone, This customer wanted to have this smog preinspection done last week and after it wouldn't pass he came by the shop to have the vehicle scanned to find out what codes are on the vehicle; found the following codes: 1 - P0300 - Engine misfire det...
2004 Chevrolet Silverado 3500 6.0L Tcc VIN: 1GCJK33U04
My most sincere thanks to any who make it to the end of this. This truck is part of our fleet for picking up donations of food as well as trailering donated vehicles. For the last 2 years this thing has had soft apply from the TCC. The rest of the transmission...
2007 Chevrolet Silverado 2500 HD Classic LT 6.6L No Start
Ok my own personal truck here. Figures it's Friday after work, getting ready to go home, trailer loaded and hooked up. Started vehicle no problem, went about 30ft and it just quit,just like I through the light switch off. Cranks over no problem, checked coolan...
1994 GMC K1500 Suburban SLE 5.7L Hesitation VIN: 1GKFK16K6R
engine will run with miniumum backfire with timing advanced [...] distributor is new coil is new injector is new also ecm was supplemented didnt help. didnt seem too improve when fuel was added thank you
1997 Oldsmobile Bravada 4.3L dash power VIN: 1GHDT13W2V
truck drove in and customer sead if he shots it off it may not start.when you tyr to start it will crank over fine but not start.when you turn on key and wait till you hear a click the dash lights all come on and then it will start.shut if off and it will not ...
2001 Pontiac Grand Am GT 3.4L Surge, Cuts out, Misfire VIN: 1G2NW12E11
This Grand Am is a hair puller,, it runs fine until you let up slightly on the accelerator at about 65 MPH then it rapidly surges, get back on the accelerator it is OK, will do it on cruise if you go down a hill. with your foot on te accelerator or all the way...
2002 Saturn Vue 2.2L Unknown VIN: 5GZCZ23DX2
Hi everybody. Vehicle was working fine and owner don't felt slipping in clutch and vehicle was park at the lot for grocerry, then this problem occur . This vue was tow from other shop with complaint can't move forward or reverse gear, you can shift into gear b...

Fixes & Summaries for GM
Fix/Summary Answers
2003 Cadillac CTS 3.2L Misfire
After replacing the ignition module, ecm, and #3 injector, I guess it can be safely said this caddy has a #3 cylinder engine problem. It passed the basic cranking compression test and because of the way the motor is set up, its impossible to do a running com... Trouble codes: P0303 (Cylinder 3 misfire).
1998 Chevrolet Cavalier 2.2L Radiator Cooling Fan VIN: 1G1JC524XW
There were many different opinions about why the cooling fan stays on at idle. The most popular one was this is the way the cooling fan works. The car is built and programmed so that the cooling fan, after coming on at idle stays on. Once the car is in motion ...
2004 Chevrolet Malibu 2.2L Unknown VIN: 1G1ZS52FX4
I want to thank everyone for the replies. I took Tom's advive and removed the PC wire and while that didn't bring my slip speed to zero it did cut it half and the the code didn't reset until you got the trans. hot and then the slip speed would increase but not...
2007 Chevrolet Cobalt LS 2.2L Misfire, MIL Lamp on VIN: 1G1AK55F77
A few things where very helpful, foremost was the mention of the valve train issues this motor commonly suffers from. So a leakage test on the cylinders was redone, BUT this time on a cold engine, #2 cylinder leaked badly. We put a new head on the car and is a... Trouble codes: P0300.
2006 Pontiac Montana SV6 3.5L warning indicator VIN: 1GMDV33L06
It has been a couple of weeks now with no return or complaints so I'm going to call this a fix. When the lady returned to pick up the van, the owner of the car lot asked her exactly which warning came on the instrument display, oil pressure, oil change, oil l...
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