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Professional Automotive Repair Technical Discussions for August 25, 2014 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1997 Chevrolet S10 LS 4.3L Blower Motor/ABS VIN: 1GCCS19X7V Have this truck in, the blower is inop but when you try to turn it on any speed the ABS light comes on, turn off and the abs light goes off, I replaced the resistor with no luck. With the resistor and abs unit unpluged I can get high speed to work plugging the... |
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| 2005 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 1G1JC52F75 this cavalier has a reoccureing evap code for large leak, simple right?, hooked up my smoke machine, found nothing, can cycle both the vent and purge valves with scanner to produce leaks then close them to shut the system tight, fuel tank pressure is reading g... |
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| 2006 Chevrolet Corvette 6.0L Battery VIN: 1G1YY36U96 battery goes dead after a week. when i pull BATT 5 fuse number 7, 30amp in under hood fuse box the draw goes down to 15 milliamps. that fuse powers up a bank of fuses in the BCM. Those fuses are tele sw/mem seat mod 10amp, driv dr sw fuse 10amp, ignition sw/in... |
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| 2008 Chevrolet Silverado 3500 HD LTZ 6.6L no fuel VIN: 1GCJC33678 this truck died while driving around back of the shop found 3 codes in it p0101 mass air out of range / p0381 glow plug heater circuit / p0087 low fuel rail pressure found data pids for mass air all readings ok at this time and no faults found with glow plugs.... Trouble codes: P0087, P0381, P0101 |
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| 2010 Chevrolet Silverado 1500 LT 5.3L pedal VIN: 1GCSKSE3XA Vehicle came in for grinding in front, tire noise, clunk when braking. We did not hear clunk. Replace front pads and rotors. We also replaced all 4 tires. on test drive we got clunk. On braking, around 40 MPH we are getting a slam, slip, bang. it happens somet... |
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| 2005 GMC Envoy Denali 5.3L transfer case VIN: 1GKET63M75 This suv came in stuck in 4wd regardless of 4wd control switch position. Have found posts on this sight regarding this condition. The posts I found were similar, but not the same. Checked tire size, all were the same & brand new. Found the following codes for ... |
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| 1987 Oldsmobile Cutlass Ciera S 2.8L Stall VIN: 1G3AJ81W2H we have a 1987 olds 2.8L starts and idles fine but it stalls at tip in EVERY time. fuel psi 41 koeo 34 idle goes up to 45 at tip in, has new MAF sensor, TPS, MAP sensor, and fuel pump. and yes all sensors are giving voltage and good readings. thanks for any an... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2006 Buick Allure CX 3.8L Stall VIN: 2G4WJ58296 After more testing it was determined that the PCM was turning the coil off for an unknown reason. All the data looked good when this was happening including fuel trim. It was just quitting like someone hit the key. Here is the strange part. We bought a used... |
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| 2004 Cadillac DeVille DTS 4.6L Front Struts VIN: 1G6KF57944 Thank you all for your assistance. We ended up purchasing struts from Arnott with the actuators in the struts. The price was equal to the cost of passive struts. I would recommend to anyone wanting to install passive struts on a 4.6L Cadillac to not purchase t... |
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| 1971 Chevrolet K30 Pickup 6.6L compressor VIN: KE241S6606 Thank you all for the replies. Chris from CA is the winner, he faxed me a diagram. The 3 wire compressor relay is actually a anti-dieseling relay. Something is not right with it. The truck is far from OE, with a 454 and R-4 compressor, so I unplugged the relay... |
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| 2005 Chevrolet Trailblazer LS 4.2L No Start, start & dies @ times VIN: 1GNES16S85 We replaced the motor as many of you suggested and it to care of all the problems. My biggest fear was that after replacing the motor the vehicle would still not start. With one dead cylinder most vehicles will still run, go figure, there is a first time for ... |
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| 2009 Chevrolet Silverado 2500 HD WT 6.6L Eng oil VIN: 1GCHK49659 This issue is not fixed due to the customer not wanting us to pursue the problem. To satisfy anyone's curiosity, this truck vehicle has barely any idle time, it's always on the highway, and we've already flashed the pcm with the latest software as you can see ... |
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| 2008 GMC Acadia SLE 3.6L Poor Idle Quality, Misfire VIN: 1GKEV13718 Thanks for all the replies I ended up keeping it simple and if needed going from there. Did a tune up (spark plugs) and fuel injection service. Customer hasn't had cold start issue since. |
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