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Professional Automotive Repair Technical Discussions for July 12, 2007 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1998 Buick Regal LS 3.8L steering wheel VIN: 2G4WB52K4W Hi Techs, I need to put an ignition switch in this car because of no low blower speeds and I have already replaced the burnt blower resistor. We do not have Info. on how to remove the steering wheel. I have the air bag disconnected properly and there are 2 scr... |
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| 1995 Cadillac Fleetwood 5.7L Traction Control VIN: 1G6DW52P6S Vehicle originally came in with intermittent traction control lamp on. Customer stated only happened in wet weather. Scanned system and came up with code 65 indicating cable adjuster circuit malfunction. Testing of wiring and cable adjuster revealed very errat... |
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| 1995 Cadillac Eldorado 4.6L MIL off KOEO VIN: 1G6EL12Y9S During the inspection we notice that the MIL will come on as soon as we disconnect any sensor with KOEO . The dash is digital/Analog , and we were able to read codes when we ran the auto diagnostic mode . There's no codes related with instrument panel . If som... |
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| 1994 Chevrolet Cavalier RS 2.2L Poor Idle Quality VIN: 1G1JC5444R Thank you in advance for taking the time to read my help request. Customer brought vehicle into shop because he overheated it and said it has been running poorly since. Customer cooked engine and only repair was to replace engine. Replaced engine with new long... |
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| 1995 Chevrolet C1500 4.3L compressor VIN: 1GCEC14Z4S well this problem started out as i would drive the vehicle and when would downshift to come to a stop ac clutch would kick in and out very rapidly well i check the pressures they were high suspected ac clutch replaced ac comp accumuator well while trying to lo... |
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| 1999 Chevrolet Monte Carlo LS 3.1L Intake gaskets VIN: 2G1WW12M3X Customer has gotten coolant temp in the red zone a few times, he did not keep driving, he would pull over and let engine cool. I put 1.5 gallons of water in it. Ran, has no compression in cooling system. Pressure tested, intake gaskets show signs of leakage, b... |
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| 1999 Chevrolet K1500 Suburban 5.7L Misfire, MIL Lamp on VIN: 3GNFK16R9X thanks in advance for all the help. this vehicle came to me with the complaint of poor runing. the engine has been replaced in the last year with crate motor. found p0300 and obvious misfire, performed tune but vehicle still rus poorly between 3000 and 4000 rp... Trouble codes: P0300 |
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| 1999 Chevrolet Astro 4.3L Hesitation VIN: 1GCBGO5W3X A week ago this van came in for an intermittant hesitation on accel. Found MIL on(not a complaint). Had a bunch of sensor codes. All O2s, fuel level, MAF, maybe others (possibly were disconnected for diagnosis?). Test drove, could not verify hesitation and PID... Trouble codes: P0463 (Fuel level), P0101 (maf) |
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| 2000 Chevrolet Astro 4.3L engine cradl VIN: 1GNEL19W5Y I have a all wheel drive Astro van with a damaged engine cradle, from an accident. Has any one ever replaced just the cradle and can give me some imformation on the time it took and procedure used. Book time says 15.5 hours which seems a little on the short si... |
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| 2001 Geo tracker 2.5L trans VIN: 2CNBJ73482 We pulled the trans on this geo tracker to replace the rear main seal. Now it will not shift out of first gear till 4000 rpm. After it go's to second it will shift on up and down correctly I have a speed sensor low voltage code as well that i was not there bef... |
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| 1995 GMC Sonoma SLE 4.3L Misfire VIN: 1GTDT19Z8S truck runs good cold. after warms up it has a slight hesitation and feels like a miss at idle. unable to find anything wrong with it. can anyone give me a good starting point. also after been driven about 20-30 miles it is difficult to put into gear. almost li... |
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| 1995 GMC K3500 Sierra SL 6.5L Stall VIN: 1GTHK39F0S I have a wierd one here. This all started due to excessive black smoke due to the boost system not working. I cured all the problems there and now I have a problem with this thing wanting to stall under hard acceleration.It starts doing this after you drive un... Trouble codes: 62 (low boost pressure current code), 58 (TFT sensor circuit low history code), 73 (pressure control solenoid circuitcurrent error history code), 74 (trans input speed sensor circuit history code), 85 (undefined ratio error history code), 86 (low ratio error history code) |
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| 2000 Oldsmobile Alero GX 2.4L Poor Idle Quality VIN: 1G3NK52T6Y customer complant was idle surge and stall intermittant,when motor would idle it was rough.Replaced pcm , that fixed the idle surge but still it idles rough . Has good fuel pressure.Scooped ignition and injectors looked good.Doesn't show any misfires. Its more... |
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| 1996 Pontiac Firebird Formula 5.7L MIL Lamp on VIN: 2G2FV22P1T Please note: The odometer on the vehicle reads 42,000 miles but I’m not sure its true. The condition of most things on this vehicle are below average for that mileage. It may be more like 142,000 miles. I installed a Timing chain, camshaft and lifters in a 19... Trouble codes: P0336, P0335 |
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| 1997 Pontiac Grand Am GT 2.4L theft VIN: 1G2NW12T2V car came in on wrecker, key froze in lock cyl. determined it needed a new ignition lock cyl. ordered new cyl from gm with new key. drilled out old cyl, installed new cyl and mechanical part working as it should, the problem is the theft system. car will start ... |
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| 2001 Pontiac Grand Prix SE 3.8L Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 191F257091 hey guys this one is got me stuck. the 02 sensor is staying around 600 to 900 mv. fuel pressure is with in spec checked for vac. leaks none found. 02 checked out ok with vantage pro. i am out of ideas. thanks to all. Trouble codes: P0172 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1995 Buick Riviera 3.8L Hesitation VIN: 1G4GD22Y35 Thank you all who replied. David, Dan, Mike, Brian, and William suggested the cat. That was the most common idea. We also went with Todd's suggestion of the ign. module. Also thanks to Mick, Gary, Gilbert and Joe. When the driver mentioned a grindy no... |
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| 1970 Chevrolet Corvette 5.7L Alarm Thanks to everyone that replied, I know that there are not many of these systems around anymore and the info is getting harder to find. We finally found a diagram for the alarm system from DWncchs with the Corvette Forum. After looking at the diagram the syste... |
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| 2000 Chevrolet Blazer LS 4.3L transfer case VIN: 1GNDT13WOY after eveything else checked good (all wiring, replacing switch, adding sub grounds & tightening all connections) told customer it needed the module located in right kick panel(expensive),customer took time to ok job, but the module did fix the problem.sorry o... |
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| 2006 Chevrolet Cobalt LT 2.2L Pass Key III + (no start) VIN: 1G1AL15F76 First of all I wish to thank you all for your replies...like I said in a previous post I think I may have completed the key re-learn after ignoring the flashing security light because the engine now cranks which it never did before...however it still will not ... |
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| 2004 GMC Canyon SLE 3.5L inside mirror VIN: 1GTDT13614 thanks to the three replies. disconnected power to mirror for 10 min. re-set mirror from celcuis to f. thanks bob |
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| 1991 Oldsmobile Cutlass Supreme 3.1L No Start, no injector pulse VIN: 1G3WH54T84 ck injectors for shorts,security problems , computer wiring problems i harness bad ecm bad module bad injectors steering colum anti cut out found crank sensor internal magnet/exciter ring took sensor ran magnet over it and injectors pulsed will junk car ... |
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| 2000 Pontiac Grand Prix GTP 3.8L Misfire, MIL Lamp on VIN: 1G2WR5218Y Well te customer was finally able to leave me the car for more the 15 min and we were able to to a few more tests. And with a block test we were able to comfirm a combustion leak into the cooling system. After the heads were off a hair line crack was reveale... Trouble codes: P0300. |
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| 2002 Saturn Vue 3.0L No communication VIN: 5GZCZ43D12 Vehicle fixed by dealer, TCM defective. TCM interfering with PCM data on pin #7. Vehicle now communicates in OBD generic/global mode, which is what state inspection computer reads. Thanks to Wendell and Jamie. SPECIAL THANK YOU to Bob [...] who went way above... |
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