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Professional Automotive Repair Technical Discussions for May 19, 2011 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2006 Cadillac Escalade ESV 6.0L heated driver seat VIN: 1GEK63N26R customer has told us about this situation but have never been able to replicate until today that cuatomer came in as car was acting up there is no aparent reason for the drivers heated seat to go on but it goes on its own switch from hot med and low around and... |
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| 1999 Chevrolet Tracker 2.0L Engine VIN: 2CNBJ13C1X Customer just bought vehicle used, brought it in for evaluation after the fact. She had an engine vibration- someone put mounts in (they are new),I suspect seller- still has shaking. Identifix and past experience has replaced harmonic balancers on these engine... |
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| 2001 Chevrolet Camaro 3.8L Shuts down This is my car,and this one is driving me nuts! Owned this since it was one year old. The conditions for setting these two codes are as follows.Outside temp above 70 deg F. In stop and go traffic (stopped at light never while moving). Car shuts down with no wa... Trouble codes: P1221, P1516 |
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| 2003 Chevrolet Blazer LS 4.3L No Start, Misfire, MIL Lamp on VIN: 1GNCS18X13 Initial complaint of vehicle started running rough, died, then restarted and has been running rough since. Self test EEC had codes P0128 and P0300. There weas a TSB in AllData related to the distributor, so I removed and inspected it with no obvious concerns. ... Trouble codes: P0128 (Thermostat Performance), P0300 (Radnom Misfires Detected), P0341 (CMP A Bank 1 Range) |
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| 2003 Chevrolet Silverado 3500 LT 6.6L No power VIN: 1GCHK23143 Hey guys, i have this 03 durmax that has no power going up hills. It seems to run ok on flat grounds as long as you don't go full throttle. Actual fuel pressure will start to drop to ~3000 psi while desired stays over 20000 psi. I've read about collapsing fuel... Trouble codes: P1093 |
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| 2005 Chevrolet Trailblazer LT 4.2L Ebcm VIN: 1GNDS13S45 Hi, I've got this 05 Trailbazer with ABS light and brake light on, also "service brake system" in cluster display, no codes anywhere. I found and performed TSB #04-05-25-002E, and test drove vehicle, all the lights returned within 1 mile. after returning to th... |
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| 2008 Chevrolet Impala LS 3.5L Poor Idle Quality, Hesitation, Stall, Misfire, MIL Lamp on VIN: 2G1WB58N58 I have a 08 Impala that intermittently displays reduced power mode, no tach and barely runs on cold start. The only code I have is p0651 for the 5 volt ref. signal to the APP. When this acts up I have no tach signal to pcm, throttle position is fixed at 29%, a... Trouble codes: P0651 (App 5 volt refence circuit) |
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| 1996 GMC Jimmy 4.3L Stall VIN: 1GKCS13W4T The engine shuts off when slowing down and almost stopped. It will also stall when in reverse and accelerator is pressed. It starts right back up again. It idles, runs and drives fine. I found a corroded distributor cap and rotor and replaced those. Also had a... |
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| 1999 GMC Savana 2500 5.0L No Start, Hesitation, Stall VIN: 1GCFG25M7X I'm missing the hockey game for this so it must be bad!!! Van will run then die. Has gotten steadily worse and now it has a hard time starting. Here's the clicker--fuel gauge bottoms out, then pins up to full (repetitively) intermittently--whenever it does thi... |
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| 2005 GMC Savana 3500 6.0L Hesitation, Surge, Cuts out VIN: 1GDUJG31U9 thanks in advance to any one that can help. i have this cube truck that is driving me crazy. vehicle came into the shop 3 weeks ago with abs light coming on when turning. and very intermitant hesitation on accel.found corroded connection to LF speed sensor. ve... Trouble codes: U1064, U1016, U1000, B1420, C035/ |
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| 1999 Oldsmobile Bravada 4.3L engine 99 bravado no compression cyl 3 and 5. valves appear to be moving. the back of the block says 4.3LG 3 and 5 have 0 compression, i even added oil. took off intake and i am replacing the timing chain. here is where i am lost. when going dot to dot with chain spr... |
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| 1996 Saturn SL2 1.9L Mechanical VIN: 1G8ZK5278T Vehicle came in with a shift problem, on the road test this car will slam into all gears both on the upshift and downshifts! Often times it seems like it will be stuck in 2nd gear when coming to a abrupt stop and die. There were no codes but i have run into si... |
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| 1996 Saturn SL1 1.9L clutch VIN: 1G8ZG1273T Hi Guys, My shop replaced the engine in the car and installed a new cluth at the same time. Instalation went well and all seemed fine for about two weeks. cust called and said he lost his clutch and car would only go into gear when engine was not running...whe... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1964 Chevrolet Corvair 2.7L RF Interferance VIN: 40967W1096 Thanks for all of the replies. Some gave various advice about the antenna grounds, etc. Others gave GM part numbers for the condenser. Others said to experiment with different condensers. I tried various condensers I had in stock and found that the noise went ... |
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| 1988 Chevrolet Camaro Iroc-Z 5.0L Cooling fan(s) VIN: 1G1FP21F3J thanks to all who responded to this help request. I checked out everything that was mentioned and all the inputs to the ECM were normal. I decided that a new PROM would be my next step but it has proven hard to find one. The customer ended up choosing the s... |
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| 1999 Chevrolet Blazer 4.3L MIL Lamp on VIN: 1GNDT13W3X Thanks for all your help. it seems that the check valves are the answer. just waiting for the customer to come up with the money to replace them. Thanks again Trouble codes: P0410 (Secondary air injection system malfunction). |
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| 2002 Chevrolet Trailblazer LS 4.2L Hesitation VIN: 1GNDT13S82 This was very weird.The mil was not on. no code is current codes. Went into history found alot of 02 sensor codes,Tp, Transmission sshift codes. So I cleared codes and reset all adaptives. Started car and drove fine had power monitors set after 1 cycle. Thanks... |
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| 2003 Chevrolet Malibu 3.1L misc. VIN: 1G1ND52J13 general consensus is ign. switch. thanks for all those that replied. will throw one at it on monday. |
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| 1989 Pontiac Firebird Trans Am 5.0L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: F1KL214282 thanks to all every one hit it on the head replace all injectors car runs new again thanks for the responses bob j |
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