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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 10, 2013
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
1992 Buick Century Custom 3.3L Stall VIN: 1G4AH54N8N
Hello, IATN members, and thank you in advance for your suggestions. This Buick's owner is an elderly lady who says that it drives fine for miles, but as soon as it's very warm and she comes to a stop light, it will stall. It does not have a vacuum leak; I smok...
2000 Cadillac Eldorado ETC 4.6L battery light VIN: 1G6ET1291Y
Vehicle came in for Battery light on and dash saying service charging system. Tested vehicle and no charging voltage and car stalled at 9 volts and would not restart. Charged battery replaced alternator with new one but not ac delco and cleared all low voltage...
1994 Chevrolet S10 Blazer Tahoe 4.3L Ignition Cylinder VIN: 1GNDT13W5R
Been a lot of years since I have been into one of these columns. This vehicle will intermittently not turn to crank. It will always turn to run with no problems but will usually not turn to crank. Take the turn signal and housing off the column and put the cyl...
1995 GMC K1500 Sierra SL 5.7L Speedometer VIN: 1GTEK19KXS
This one came in with a intermittant no speedometer and no Tachometer. When the problem occurs (no tach and speedo) I still have good rpm and VSS readings with the scan tool. Also, when the speedo and Tach are NOT working the transmission goes into default mod...
2007 Pontiac Grand Prix GT 3.8L enging VIN: 2G2WR58477
car came in with plastic elbow from intake blown open ,overheating.replaced elbows,waterpump. car still ran hot,radiator had typical dexcool reddish grainy deposits. pulled heads,sent out for inspection,replaced hd gaskets,bolts waterpump,stat,elbows and hoses...
2004 Saturn Vue Red Line 3.5L Stall, Misfire, MIL Lamp on VIN: 5GZCZ63464
Vehicle came in with intermittent Stalling. Scan showed P0172,P0300, P0301, P0302, P0303, P0304, P0305, P0306. Vehicle just had a tune-up in Jan. this year. According to "Misfire" Scan data # 2 & # 3 are the worst, some times the only two that are misfiring. S... Trouble codes: P0172 (Rich B1), P0300 (Multiple Random Misfire), P0301 (Misfire 1), P0302 (Misfire 2), P0303 (Misfire 3), P0304 (Misfire 4)

Fixes & Summaries for GM
Fix/Summary Answers
2009 Chevrolet Impala LT 3.5L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2G1WT57K89
To the people that helped thank you. As for the guys that felt the need to criticize me THANK YOU TO. I did say right from the start my scanner was limited and for those who asked yes i do have a wiring schematic. ended up a critter was chewing on the wiring n... Trouble codes: P0335, P0036, P0054, P0325.
2006 GMC Sierra 2500 HD SLT 6.6L No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: 1GTHK23D96
Thanks all. EGR stuck open. replaced EGR valve and motor and now starts and runs fine. No codes returned Trouble codes: P0102 (Mass Air Flow circuit low voltage).
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