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Professional Automotive Repair Technical Discussions for August 20, 2013 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 2004 Buick LeSabre Limited 3.8L electric windows VIN: 1G4HR54K94 Car came in with the complaint of power windows inop and circuit breaker in fuse box under rear seat hot. As we tested this system, it began to work normally. When we first unplugged the breaker (30 amp)and plugged it back in, there was a noticable spark/draw.... |
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| 2005 Cadillac SRX 3.6L front of engine VIN: 1GYEE63785 This SRX has been to everyone around here and now it's at my shop. Complaint is a VERY intermittent loud noise coming from the front of the motor, only almost immediately after cold start up and only lasts for 3 to 5 seconds. Not everyone has heard this but th... |
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| 2000 Chevrolet Blazer LS 4.3L Abs& Brakes Lamp On VIN: 1GNCT18W2Y ABS and Brake lamp comes on while driving. when stop engine and restart, the lights on a few seconds and turn off , but later while driving ABS and Brake lamps comes back on. Could that be air trap in the system or dirt clog in the system. What is the remedy. ... |
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| 2003 Chevrolet Tahoe LT 5.3L Starting VIN: 1GNEK13ZX3 i have'nt had much time to look at this one yet so im hoping i can get some input before i start. this was towed in for no start, battery was dead so i charged it and it wouldnt crank. i tried locking and unlocking the doors with the remote after i tried start... |
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| 2003 Chevrolet Monte Carlo SS 3.8L Misfire, MIL Lamp on VIN: 2G1WX12K13 The vehicle came in the computer was scanned code P0300 was the only code in the computer. The customer mentioned that the vehicles check engine light will go on and off. The code before was always the P0300, the customer said that the vehicle has only run rou... Trouble codes: P0300 (Random Misfire) |
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| 2004 Chevrolet Silverado 2500 6.0L Misfire VIN: 1GCHK23U04 hello to everyone in IATN land. I have a p0300 that is a little odd. The only time I can get it to consistently misfire is free revving it between 2000 and 2500 rpm. Misfire is very consistent on cylinders 1 and 6. Cylinders 8 and 5 appear to be along for the ... Trouble codes: P0300 |
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| 2008 Chevrolet Tahoe LTZ 5.3L rear wiper VIN: 1GNFC13028 cust only gave me ten minutes today will return next week. once every two week the 25 amp rear wiper fuse will blow. the wiper will park but won't operate again. just checking to see if anyone has seen this, it is very intermit. all i`ve seen so far is a blown... |
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| 2008 Chevrolet Suburban 1500 LTZ 5.3L MIL Lamp on VIN: 3GNFK163X8 Long term fuel trim bank 1 goes to -27 to -30 on a long decel at higher speeds 45+. Bank 2 is normal. As soon as you touch the gas pedel it switches cells and drops to near 0%. We have Swapped front and rear o2 sensors side to side. Amps ramped one injector on... Trouble codes: P0172 (rich bank 1) |
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| 2000 GMC Savana 1500 5.0L Starting VIN: 1GDFG15M5Y hey gang I am drawing a blank on this one. It will crank just fine but will not start. Fuel pump is working and is giving 65 while it is running, after its pulse it drops to 55. This seems normal to me. Go to crank it and pump will not come back on pressure st... |
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| 2003 Pontiac Grand Am SE 3.4L shaking VIN: 1G2NF52E43 coustomer states the car intermitantly will violently go to shaking threw the steering collum at crusing speeds. the car may go for days with no problem. we repaired the wore out tie rods with an alignment. this car is very clean & well kept. I can not get the... |
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| 2006 Pontiac Torrent 3.4L starting, Inst. panel lights, Power windows VIN: 2CKDL63F06 Car towed in for no start after shut off and he could not get drivers power window up. Ck main fuses under hood, all good. I went right to ignition switch and their are two Red wires with white tracer D12, and C12 that should have power from 30 amp ignition fu... |
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| 2000 Saturn SL2 1.9L SIR, BCM module VIN: 1G8ZK5275Y Called in to program new BCM on 2000 Saturn. Programming appeared to be successful, did relearn, car started, shifted out of gear, and drove. Windows, lights, ac, radio and ipc worked...except odometer reading was 0000000 and air bag light was on. Called AC De... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 Chevrolet Camaro Z28 5.7L No Start, Stall, Intermittent VIN: 2G1FP22P6R Hello all, and thank you for your time and efforts. It is repaired. While all good advice, it came down to several things. To recap and answer each post, here is the rundown: 1. We tested for shorting injectors, pass. Resistance all 11.8-11.9 upon retest. I... Trouble codes: 16 (OPTI-SPARK Ignition Timing System Low Resolution Pulse), 36 (OPTI-SPARK Ign. Timing System Faulty Hi Res. Pulse or Extra Low Res. Pulse detected). |
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| 2004 Chevrolet Silverado 3500 LS 6.6L Hesitation, MIL Lamp on, Low power VIN: 1GBJC34254 Thanks for the replies!! The replacement turbo was supplied with the incorrect gear inside. There was no ramp on the gear to push up un the position sensor. Replaced turbo again and truck runs great. Trouble codes: P0046 (Turbocharger boost control position performance). |
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| 2004 Chevrolet Silverado 1500 LS 5.3L steering system VIN: 2GCEK13T34 Thanks to all for your help, I think Steven is spot-on on the gear replacement. I have recommended that to the customer, he took the truck and is going to have me do that when he can schedule it in again. |
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| 2007 Chevrolet Trailblazer LT 4.2L timing chain VIN: 1GNDT13S57 Well first I would like to appologize for lack of info, Pulled head on 4.2l inline [...] 4wheel drive, the awsome special tool that holds tensioner in place came loose- thus tensioner all the way out, removing front cover is more than 4 bolts and a soda br... |
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| 2009 Chevrolet Aveo LT 1.6L compressor/expansion valve VIN: KL1TD56EX9 Sorry for the late post, it's been a crasy summer.I tried icing down and tapping on the expansion valve and nothing changed. In this situation, as far as I can tell, there is no other way to determine if its an expansion valve or a compressor other than replac... |
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| 2001 GMC Sonoma SL 4.3L 3 monitors wont run VIN: 1GTCS19W21 well, after putting a dealer plate on this truck and telling the customer to drive it for the week-end, {480 km later} we got a ready on the cat monitor, EVAP still did'nt run but I could get an E-test pass with one monitor not ready here, I believe it just ne... |
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