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Prev Professional Automotive Repair Technical Discussions for November 19, 2011
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Open Help Requests for GM
Help Request Answers
1994 Chevrolet Caprice Classic 4.3L Hesitation, Surge, Misfire VIN: 1G1BL52W4R
Hello everybody, could use a little help on this one. This vehicle will hesitate,surge, misfire and also a slight backfire once it has been driven for approx. 30 minutes and it warms up. I have a feeling that i need to dig into the distributor but thought i wo...
1994 Chevrolet S10 LS 4.3L Fuel Pump Relay VIN: 1GCDT19W8R
Hey guys. Need your help again. I am looking for the fuel pump relay. According to the shop manual, it is located behind the center of the instrument cluster. I and another mechanic have searched for it and are unable to locate this relay. Do any of you guys ...
1996 Chevrolet Blazer 4.3L MIL Lamp on VIN: 1GNDT13W4T
P0446 Keeps coming back and I am not getting and pressure from fuel tank pressure sensor. Replaced sensor, check wiring. I did clear the vac line from engine to canisiter. It had charcoal in it. I also replaced all sensors. Mitchell tells me the PCM might be b... Trouble codes: P0446 (EVAP Blocked)
2005 Chevrolet Colorado Sport 2.8L Misfire, MIL Lamp on
Hi GM tech. I need your guys helping. Truck came here for engine code and engine running rough and missfire. Customer request he replace crank and cam sensor. I check out both sensors and voltage, check the cam solenoid follow from Alldata information, 4 cylin... Trouble codes: P0017, P0300
1997 GMC Safari SLE 4.3L pump VIN: 1GKDM19W1V
What is going on with this van?
2001 GMC Sierra 2500 HD SL 6.6L Cooling Systems VIN: 1GTHK23151
Engine runs cold all the time. went to order thermostat and found out it has 2! which one should i change?
1995 Saturn SL2 1.9L Electronic VIN: 1G8ZH1270S
Hi All, This Saturn has a problem with the transmission, until the engine has warmed up, it slams into 3rd gear. It only does this in 3rd gear. After the engine warms up it works normaly. Then after you drive the car for and extended amount of time (such as an...

Fixes & Summaries for GM
Fix/Summary Answers
1967 Chevrolet Corvette 7.0L Misfire VIN: 194677S105
Engine is corrected and now rpm's go to 5800 with ease. The lifters were remmoved to replace them and they were in order on a paper towel. After sitting for 15 minutes, a few of them were noticed leaking oil. A set of new Isky anti-pump up lifters we had for a...
2005 GMC Yukon XL 1500 SLT 5.3L 4 wheel drive VIN: 3GKFK16Z35
thanks for all the help,I replaced the encoder motor and it now works great.the motor was not holding it completely in 2wheel drive we were able to see the scanner telling us it was in 2wheel drive dash button said 2 wheel drive but front transfer case drive...
2003 Saturn Vue 2.2L Emitions VIN: 5GZCZ43D03
ECM repalced and reprogramed that was it what made no sence is that everything started a simple trans service at a quick lub place???
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