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Professional Automotive Repair Technical Discussions for August 6, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2004 Cadillac SRX 4.6L Misfire, MIL Lamp on VIN: 1GYEE63A84 Hello Cadillac gurus,I'm helping a buddy at another shop.Seems this SUV will not stop missing on cylinders #1,3,5,and 7.Cylinders 3and 5 are most noticeable.Modis shows miss-fires on 3 and 5 mainly but all the cylinders on RH side are affected.They have swappe... |
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| 2003 Chevrolet Suburban 1500 LS 5.3L App-Tps VIN: 3GNFK16Z43 App sensor 1 and 2 are close to being the same...at times up to 5% difference...whats the allowed range |
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| 2005 Chevrolet Corvette 6.0L drive shaft VIN: 1G1YY24U05 we have a 2005 corvette auto trans that had a rattling noise from the driveline support area. The customer hears it in the car stopped in drive or park. The prop shaft coupling nut was loose per GM PIP 4466 bulletin. We tightened that and replaced the bearings... |
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| 2007 Chevrolet Aveo LT 1.6L No Start VIN: KL1TG56607 Car starts up, runs 5 seconds, then dies. Fuel pressure is normal when cranking, and no codes exist. I tried to examine MAP data, looking for 4.5 volts on data screen with key on, but scanner says 100kpa, obviously european metric data and I don't know if that... |
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| 2007 Chevrolet Aveo LS 1.6L Engine oil VIN: KL1TD56617 Installed a used engine into this vehicle and upon start-up noticed a serious oil leak from the rear main seal area. Customer wanted to try an oil additive and drive the car for a week to see if the leak would stop. It did not and the car is back. Pulled trans... |
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| 2009 Chevrolet Silverado 1500 WT 4.3L fuel gauge VIN: 1GCEC19X09 getting p0463 code don't know what else to check, i cant find how to check wire from ecm to ipc. one book says ecm sends signal to bcm over serial line other book says its ecm to ipc no bcm. scanner shows 3.4 volts plugged in and 0% level in tank. and i can sw... |
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| 2009 Chevrolet Aveo5 LS 1.6L Poor Fuel Economy, MIL Lamp on VIN: KL1TD66E79 Have in our shop this Aveo. This is our parts stores delivery vehicle. They have repeatedly had code P0053, Oxygen Sensor Heater Circuit codes. First time they replaced both oxygen sensors with factory GM parts at the dealership for the code. The code stayed c... Trouble codes: P0053 |
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| 2011 Chevrolet Traverse LS 3.6L lite VIN: 1GNKVEED6B the courtesy lites will not come on when doors are opened.have checked for bcm codes and none were found have used scanner to turn lites on and they come on when commanded have checked door ajar switches with scanner all go opened and closed with use of doors,... |
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| 2006 GMC C5500 Topkick C5U042 6.6L Hesitation, MIL Lamp on VIN: 1GDE5C3256 hello ive been working on this truck for a couple days it will log a p0087 code and go into limp mode after you drive it for a while and it is hot ive replaced the high pressure pump fuel filter checked the vacuam on the fuel system it is about 4 inches of vac... Trouble codes: P0087 |
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| 2002 Pontiac Montana 3.4L No Start VIN: 1GMDX03E82 Hi, we're having trouble with an intermittent no-start on this van. I'd appreciate anyone who can offer some insight into this. The customer says that occasionally the motor will not start, and this can happen at any time. It can be with a cold motor or hot, t... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2002 Buick Rendezvous CX 3.4L instrument VIN: 3G5DB03E72 appologys thought i closed this it was the rear differentail check valve and grease in rear diff thanks for the help |
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| 1990 Chevrolet Camaro Iroc-Z 5.0L Engine VIN: 1G1FP23F4L Should have checked the injectors first, but didn't since it ran. My experience has always been no-starts! Checked the injectors, injector 3 and 5 read low, but 5 was 1.2 ohm, so I replaced that one. Car ran, but ran badly. Checked cylinder 3 while it was ho... |
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| 2006 Chevrolet Silverado 2500 HD LT 6.6L Tcm VIN: 1GCHK23D86 Thanks for all the replies.The customer has decided to put the job on hold as he is going out of town to work for six months.I did test all battery & ignition circuits with a head light all passed the test . checked resistance on all data lines less than .05 o... |
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| 1998 Pontiac Sunfire GT 2.2L Misfire VIN: 4G2JB3247W I HATE TO SAY THAT I DID NOT FIX THIS VEHICLE. IVE DONE EVERYTHING IN MY POWER TO FIX IT SHY OF REPLACING THE COMPUTER. I DID A BACK PRESSURE TEST ON IT WHICH TESTED OK. I PULLED THE CAT ANYWAYS SINCE IT WAS A BOLT ON JUST TO LOOK INSIDE AND IT LOOKED FLAWLESS... |
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| 2000 Pontiac Sunfire SE 2.2L head lights/day time running lights VIN: 1G2JB5245Y Sorry for being late on this closing, was on vacation. We found a brake in the blue wire going to the BCM from the headlight switch. Repaired wire and all was good. Thanks for all your guys help. |
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| 2008 Pontiac Grand Prix 3.8L Abs VIN: 2G2WP55248 I want to thank everyone that replied. Dan and Michael were right on with their replies about the IPC(instrument panel cluster)being the problem. I went to TIS2 Web and was going to reprogram the IPC but using Legacy pass thur there was no option only PCM,Onst... |
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