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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 25, 2014
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Open Help Requests for GM
Help Request Answers
2000 Buick LeSabre Limited 3.8L abs VIN: 1G4HR54K6Y
customer states left front caliper locks up about 10 mph every once in a while scanned and no codes and was not acting up. Car came back couple days later acting up went for ride with scanner watching data every time it locked up no glitches in any speed senso...
2000 Buick LeSabre Limited 3.8L CV Joint VIN: 1G4HR54K3Y
Car came in with a shack under acceleration. with my first inspection of the car I noticed that both cv shafts had lost all there grease do to cracks in the inner cv boots. also had a few motor mounts that were bad. we replaced all 4 motor mounts and both fron...
1994 Chevrolet C3500 Cheyenne 6.5L Excessive Emissions, Poor Idle Quality, MIL Lamp on VIN: 1GCHC33F0R
hello everyone got a question about pump timing. replaced a few of these in the past with no problems. vehicle came in with rough idle cold and white smoke. clears up in a minute or so. customer replaced all injectors with Heath Diesel units. i verified the co... Trouble codes: 88 (tdc offset not learned)
2001 Chevrolet Blazer LS 4.3L Poor Idle Quality, Stall VIN: 1GNDT13W41
OK guys, (and girls) I have to be missing something simple here. Customer claims that blazer will start then die and may have to be started a couple of times but then will run fine. He says if he holds the throttle down part way, it will run (IAC possibly?) Se...
2003 Chevrolet Express 1500 5.3L Stall, MIL Lamp on VIN: 1GCFG15TX3
Van will run normally most of the time, then will randomly stall at idle or coasting (closed throttle below 40mph).After stalling restarts normally but may die 2-4 times then drive for hours without stalling or stall at next turn. We have installed second OE c...
2006 Chevrolet Silverado 1500 LT 5.3L engine VIN: 2GCEK13T96
thanks in advance 06 chevy 1500 5.3L truck was towed in for reduced power light there are to many codes to list but im sure they are caused by the problem witch is when you turn the key off and take it out of the switch the engine stays running it always has 1...
2007 Chevrolet Tahoe LTZ 5.3L Transfer case VIN: 1GNEK13037
Not sure if I have a bad encoder motor or bad module. T-case will not switch out of 2wd, had codes C0305-09 for front speed sensor C0306-02 motor A or B circuirt shorted to ground C0327 encoder circuit malfunction the readings above where taken at the encoder...
2002 GMC Sierra 2500 SL 6.0L Misfire VIN: 1GTHK23UX2
Hi Everyone, this one has got me lost today, the truck will set a code P0300 random Missfire every time it is suppose to lock up the TCC, the engine never misses a beat while this happens. All the scan data look normal, another strange issue is that when I hoo... Trouble codes: P0300 (random missfire)
2011 GMC Yukon XL 1500 SLT 5.3L Misfire VIN: 1GKS2LE35B
hi guys. we replaced an ignition coil on this truck two weeks ago for a p0301 and dead misfire. truck worked great for last two weeks. now this thing goes into a misfire under slight load between 40 and 60 kph. will not throw a trouble code and mode six data s...
2007 Pontiac G6 3.5L Cuts out VIN: 1G2ZG58N17
Hello everyone. Have a slight problem with this 2007 g6 3.5l. Vehicle came into shop with customer complaint of reduce power. Had multiple codes and he said he had his buddy check it so I figure I start from the beginning and clear the codes since I didn't kno...
2003 Saturn LW300 3.0L No Start VIN: 1G8JW84R43
This has me stumped from the start. This car came in with an intermitant no start(crank). After reading some of the posts pertaining to the pass lock system I watched the security light as I tried to start. It acts normal. I also was interested in some of the ... Trouble codes: B1000, B2965, B2960, B1327

Fixes & Summaries for GM
Fix/Summary Answers
2011 Chevrolet Aveo LT 1.6L No Start VIN: KL1TG5DE1B
Ended up using Mark from Oregon's advice and tested the EMS1 & Ems2 circuits for voltage and was only getting .6 volts which traced back to the Main relay . The #30 power feed circuit of the relay was the problem . Alldata did not have a diagram from where th...
2009 Saturn Vue Red Line 3.6L Steering VIN: 3GSDL03739
Thanks to all replies. I replaced the power steering pump with an updated factory pump and GM fluid. All is well!
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