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Professional Automotive Repair Technical Discussions for February 10, 2016 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1996 Chevrolet C3500 5.7L No Start VIN: 1GBJC34R3T My problem child is back with a different problem this time. I have no injection pulse this time. I have checked all the powers to each injector, and they all have power. And checked for pulse. I have one injector that pulses. The rest are a no show. I have ch... |
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| 2001 Chevrolet Malibu LS 3.1L Evap VIN: 1G1NE52J61 When I received the vehicle it was flashing check engine light with P0446. I checked the data stream and found few things off, which are: 1) Canister Vent Solenoid Continoiusly in Venting mode. 2) LTFT is staying at -0.5 to 2.0 continously on all types of driv... |
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| 2007 Chevrolet Silverado 3500 Classic LT 6.6L cooling syst VIN: 1GBJC34D17 this truck came in with a coolant leak drivers side rear of engine oil cooler was replaced a couple mouth ago . here is the problem removed flywheel adapter and replaced orange O-rings reinstalled the adapter added coolant pressure tested don this twice after ... |
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| 2010 Chevrolet Traverse LT 3.6L Rack&Pinion VIN: 1GNLVFED9A Vehiche came with very hard to turn and noise steering so i replaced the power steering pump but it stay noise but was better, than i replaced the rack&pinion with no change so i replaced the power steering pump again and it fix the noise pump but is hard to t... |
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| 2011 Chevrolet Equinox LT 2.4L Pressure VIN: 2CNALDEC9B Originally came in for whining noise. Compressor noisy, condensor leaking, found metallic dust in lines. Replaced compressor, condesnor/drier, evap core, expansion valve, and flushed lines. The problem i am now dealing with and didn't see coming is: the first... |
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| 2012 GMC Sierra 2500 HD SLE 6.0L Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GT220CG6C This truck runs fine cold. No issues in open loop operation. After warm up with closed loop and extended idle, P0137 occurs and shortly after idle quality suffers. ST Fuel trims hit -20 to -24% and LT trims are pinned at -27%. Bank 1 sensor 1 sits around 440-4... Trouble codes: P0300, P0137, P0172 |
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| 2014 GMC Sierra 1500 SLE 5.3L Driveshaft VIN: 3GTU2UEC4E THIS ONE IS FOR THE GM TECHS OR CANADA TECHS.i bought this truck a month ago so the only history I have is a carfax and dealer report.no repairs.when I drive between 62-68mph I feel a harmonic vibration,comes and goes.feels like a tight ujoint.can see where a ... |
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| 2002 Pontiac Firebird Formula 5.7L MIL Lamp on VIN: 2G2FV22G82 Hey all. I am stumped. This car onlt had a abs prob, comming in. Did diag found brake moduel bad intermitent.comes and goes. So i did the inspection first sence no lites where on after key cycle. Passed inspection no prob. All moniters ready no codes.parked it... Trouble codes: P0452 |
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| 2008 Saturn Aura XR 3.6L Steering pull VIN: 1G8ZV57798 Car was brought in for an alignment, was pulling to the left before he bought it 2 years ago. He just had put new tires on and wanted it done. After adjusting camber and toe to the spec numbers, almost exactly on the spec, not just in the green the car still p... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2000 Chevrolet Impala 3.4L turn signal VIN: 2G1WF55E4Y Thanks for all the suggestions guys. I got a oe hazard switch and all is right with the world. Thanks again. |
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| 2005 Chevrolet C5500 Kodiak C5V042 6.6L lack of acceleration VIN: 1GBE5V1205 Thanks Danny,Timothy and Hal for reading and replying to my Post. We got the ok to send the injectors out. well when we started pulling things apart we could see the heads have been off recently so we called them back to get more of the story. apparently there... |
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| 2009 Chevrolet Silverado 1500 WT 5.3L output shaft sensor VIN: 1GCEK19JX9 well i feel like a real idiot. lol. pulled out the power probe to test the circuit and there was none. looks like someone cut the wires out. the protector was still there but no wires in them. |
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| 2011 Chevrolet Silverado 1500 LS 4.8L engine light VIN: 3GCPCPEA8B Everyone who pointed toward the valvetrain were correct. We removed the valve cover and found a bad spring. Customer took the vehicle up the road and traded it off. She apparently has had quite a few issues with the truck and washed her hands of it. thanks for... Trouble codes: P0300 (multiple cyl misfire), P0304 (cyl 4 misfire). |
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| 2005 GMC Yukon XL 1500 Denali 6.0L ride leveling control VIN: 1GKFK66U35 thanks to all for your replies. each one was very informative but stan hit it on the head. the aftermarket shocks, upon further investigation were the wrong ones for this system. after cking what had been installed previously by another another shop turned out... |
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