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Professional Automotive Repair Technical Discussions for August 6, 2012 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2002 Buick Rendezvous CX 3.4L A/C cooling fans VIN: 3G5DB03E62 Greetings Techs, I've replaced both the A/C condenser and radiator due to leaks in both components. Aside from a serious parts nightmare that isn't pertinent to this problem, it's otherwise been a straightforward repair. The A/C blows cold and it's holding a ... |
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| 2004 Buick Park Avenue Ultra 3.8L Vses VIN: 1G4CU54154 This car has been fun. Once the steering wheel centers in the EBCM data, if you try to turn the car the VSES activates. When it first came in, it had a SWPS code stored and one of the other techs replaced it. Now the sensor passes the tech 2 test, but when you... |
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| 2007 Cadillac CTS 3.6L MIL Lamp on VIN: 1G6DP57797 Thank you in advance for your help. I have this 06 cts 3.6l with ckp cmp correlation codes, lack of power.im not to familiar with this engine.im sure the engine is off time but not sure if the primary chain is the problem or the secondary chains or the camshaf... Trouble codes: P0018 (Ckp- int cmp correlation b2), P0017 (Ckp-exh cmp correlation b1), P0008 (Engine position system performance b1) |
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| 1991 Chevrolet C1500 Cheyenne 5.7L No Start VIN: 1GCDC14K4M I am the third shop to have this vehicle, and it's been tricky. I have no spark at all. There is throttle body injection. I disconnected the bypass to the computer, and there's still no spark. I checked the waveform on the purple/white wire, and got the 5v sq... |
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| 1997 Chevrolet C1500 Cheyenne 4.3L engine VIN: 1GCEC19W1V I have a no start, have good fuel pressure and spark. done a complete tune up plugs, wires cap and button. swapped coils with a known good one still same reaction. it trys to hit. i'm using a in-line spark tester when checking spark. timing seems to be ok. any... |
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| 2005 Chevrolet Express 2500 4.8L Airbag light on VIN: 1GCGG25V35 Hey GM techs. I wanted to know if any of you guys have ever had a Chevy Express van 2500 with a 4.8 V8 that has an airbag code of B0100. All data doesn't give me a sensor resistance table to determine if the sensor is bad. I believe it is as I found 10.89M ohm... |
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| 2005 Chevrolet Silverado 3500 LS 6.6L fuel injector #8 VIN: 1GBJK34265 hi dmax friends, Ive got this service truck again, now going on over a year with same symptoms, same repair and same results, after injector replacement truck runs great for about 500-800 miles, then gradually starts to fuel knock and smoke. only has one code-... |
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| 2006 Chevrolet Uplander LS 3.5L programing used pcm VIN: 1GNDU23L06 This vehicle is a no start with a P0335 crankshaft position sensor circuit code. I put a lab scope on the crank sensor and the pattern is horrible. I cut the sensor wire and checked the signal and it was what it should be. I got a used computer and tried to p... Trouble codes: P0335 (Crankshaft position sensor circuit) |
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| 1999 GMC K1500 Suburban SLE 5.7L MIL Lamp on VIN: 3GKFK16R2X This one is frustrating. On the Genisys Scanner I get three codes – P0122 –Throttle Position Sensor Low Voltage: and P1122 – Throttle Position Sensor Intermittent Low Voltage. The car stumbles under low RPM load and seems to have less power than normal. Compre... Trouble codes: P0122, P1122 |
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| 2009 Pontiac Vibe 2.4L Reverse Engagement VIN: 5Y2SL67009 General motors does not offer much support for this vehicle since it is a toyota, vehicle is under warranty and is currently torn down again at our gm store inspected all parts replaced adn compared to what was originally removed from vehicle and all match eve... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 2004 Buick Park Avenue Ultra 3.8L left rear power window VIN: 1G4CU54164 i have checked the wiring in both left side doors, jams and the data wiring under the seat. asked customer to drive with the switch un hooked have not seen him since and has not returned my calls. thanks for your help, seems i took to long to satisfy my custom... |
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| 2001 Cadillac Eldorado ETC 4.6L No Start, No crank VIN: 1G6ET12951 I appreciate the feedback and assistance. We had tried the battery cable reset multiple times with each of the salvage clusters. We had also tried the long term, 30 minute, theft reset procedure several times. Niether the battery cable reset or the long term ... Trouble codes: U1000 (u1255-), U1255. |
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| 2004 Chevrolet Cavalier 2.2L MIL Lamp on VIN: 1G1JC52F34 Thanks to all that took the time to reply. I am sorry to say we have not been able to get the vehicle back to the shop to complete the repairs . When we do I am going to look at replacing the fuel tank pressure sensor and any ecm reprograming up dates that mig... Trouble codes: P0455 (EVAP large leak). |
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