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Professional Automotive Repair Technical Discussions for October 7, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1998 Buick Regal GS 3.8L Cuts out, Stall VIN: 2G4WF5211W Hopefully someone out there has encountered this before. Anyway, I have a 1998 Buick Regal GS (supercharged) 3.8L A/T that will just die out when it feels like it. The customer can be driving in town or the freeway or at a stop light and it will just cut out. ... |
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| 2001 Buick LeSabre Custom 3.8L no crank VIN: 1G4HP54K61 ok im stumped with this one havent needed any help in a long time. 01 buicke lesabre custom. guy had me tow it in due to no crank and no start. i checkd it out only to find the front turn signals arent working but the rear one blink rear fast. the wipers dont ... |
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| 1997 Cadillac DeVille 4.6L Instrument Cluster VIN: 1G6KD54Y1V The cluster keeps going out, this makes the 4th time. The last time we got a used cluster, hooked it, lit up as it should, of course wouldn't start. Sent it off again, today we got the cluster back, installed it, worked great, took out for a road test, about 1... |
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| 2002 Cadillac Escalade EXT 6.0L yaw /accellerometer sensor VIN: 3GYEK63N12 has anybody seen this fault and do they have a fix. tried two more accel/ yaw sensors with same results. does anybody know if these sensors have alot of problems. also, have done continuity test on all wires to and from accel/ yaw sensor without finding any fa... |
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| 1993 Chevrolet Camaro Z28 5.7L Hesitation, Cuts out, Misfire VIN: 2G1FP22P1P Greetings fellow techs. I have this 93 Camaro Z28 giving me quite the run-around. Vehicle originally came in for an intermittent stumble off idle with lack of power and back firing through intake. Found ignition components worn and needing to be replaced, wate... |
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| 1994 Chevrolet K2500 Suburban Silverado 6.5L Cuts out VIN: 1GNGK26FOR Holy jerk pump Batman! I gotta problem! This is my truck, 13 months ago I started having fuel pressure problems (dropping off on acceleration). I replaced the fuel tank because it looked like the galvanized finish came off inside, I also replaced the fuel filt... |
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| 2001 Chevrolet Silverado 1500 4.3L Misfire, MIL Lamp on VIN: 1GCEC149W1 Guys this one is driving me nuts. I have good fuel presure I think. My guage is bad but reads about 50lbs at idle, I know its supposed to be 60 but thats not that short. I have smoke tested this thing for vacuum leaks and didnt find any. I have a missfire on c... Trouble codes: P0171 (Lean Bank One), P0174 (Lean Bank Two), P0300 (testing and results) |
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| 2001 Chevrolet Impala 3.4L abs VIN: 2G1WF52EX1 hope someone has an answer,i have replaced the abs module and pump assm twice in the last year.code c1218 comes and goes with no pattern.i have checked connectors and have run out vof options. please help |
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| 2005 Chevrolet C5500 Kodiak C5C042 6.6L Backfire/popping VIN: 1GBE5E1275 Truck seems to be down on power, when accelerating about at 3/4 throttle the engine will start popping, back firing out the exhaust. Have done the turbo relearn procedure, have checked intercooler system for leaks, cleaned mass air sensor and swapped out senso... Trouble codes: P0046 (turbo boost control position performance), P2563 (Turbo boost control position sensor performance) |
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| 2009 Pontiac Montana SV6 3.9L Left Side Signals VIN: 1GMDV23149 my customer's van has an intermittent signal flashing problem and is tired of dealing with the dealer. she's had the pcm replaced and flashed but it didn't fix the problem , took it back and they replaced the left front signal bulb. the problem is that sometim... |
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| 2003 Saturn Vue 2.2L MIL Lamp on VIN: 5GZCZ43D53 Hello folks. This Vue came in with MIL on, P0480 present, and no cooling fan operation. We checked it out and found the cooling fan resistor was broken and we had an open on that circuit. Replaced the resistor with GM part and our cooling fan operation returne... Trouble codes: P0480 (Cooling fan 1 control circuit) |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1984 Cadillac DeVille 4.1L MIL Lamp on VIN: 1G6AM4783E Thanks Y'ALL !!! The ground was located on back of compressor bracket... really black (dirty) connectors, no star lock washer and bracket was dirty.. Sorry I didn't do voltage drop. Bad ground = hi voltage...Got that cleaned up and the 2 second prime came rig... Trouble codes: 19 (Fuel pump relay circuti shorted to 12v). |
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| 2000 Cadillac Seville STS 4.6L transmission VIN: 1G6KY5496Y thanks guys the trouble was the pcm installed a recon flashed by gm then i did the crank relearn no problems |
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| 2002 Chevrolet Cavalier Z24 2.4L MIL Lamp on VIN: 1G1JH52716 Well it looks like Joe was right. It turned out to be the O2 sensor again. It was giving a false reading. We replaced with a delco unit and vehicle hasn't returned. Trims got better but were still a little high at idle. LTFT at 13 and short term at about +2 an... Trouble codes: P0171. |
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| 2003 Chevrolet Silverado 2500 HD 6.0L Stall, Misfire, MIL Lamp on VIN: 1GCHK23U43 Fuel pump, filter and regulator. I used a low amp probe with the lab scope and found a very messy waveform, not a nice clean pattern I saw in the waveform library. The fuel filter was also pretty much clogged, I could barely blow through it! Out of caution we ... Trouble codes: P0134 (Low O2S activity bank 1 sensor 1), P0300 (Engine Misfire Detected), P1516 (Electronic Throttle Mod Vs. Throttle Position Performance). |
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| 2007 Chevrolet Express 2500 4.8L heat VIN: 1GCGG25V17 well after many checks the truth comes out ,van had just been to the dealer for heater work and they left the blind door unpluged. we sent it back to the dealer. Thanks everyone for you help. |
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| 2011 Chevrolet Tahoe 5.3L top speed VIN: 1GNSK4E09B Well, the ACDELCO help desk tells me I cannot do it. They had taken my info and then they called me back to tell me that. So I don't know if they won't or they can't. I did tell the customer that perhaps they would do more for a GM dealer, and he indicated he ... |
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| 2001 Pontiac Grand Am SE 2.4L Fob VIN: 1G2NF52T71 It's fixed! The dealer screwed up when they programmed it. Alex, Dan, and Mike all gave me good info. I did find the TSB in AllData about the blower motor and about the different way you program the transmitters with the techII. I took the car to a friend of... |
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