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Professional Automotive Repair Technical Discussions for October 21, 2005 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1997 Cadillac Catera 3.0L engine VIN: W06VR52R5V See related history |
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| 1978 Chevrolet C30 Cheyenne 7.4L brakes VIN: CCS348Z214 We have this truck that has a hard brake pedal. The customer has had the hydro boost replaced already. both of the lines to the unit are new. Power steering works normally. When we started on the truck the front brakes were stuck on. We tracd this back to the ... |
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| 1980 Chevrolet El Camino 4.4L 3-4 shift VIN: 1W80JAD449 Trans has been in the car for about 8 years (about 15K miles) and has been trouble-free -- until now. Shifts normally 1-2-3, no slip- but doesn't even attempt the 3-4 shift, whether left in "OD" or manually shifted. No previous warning signs- one day it just d... |
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| 1993 Chevrolet K1500 Cheyenne 5.7L 2nd gear starts VIN: 1GCEK14K0P Hello All, I have one that I need a little help on. Truck came in fried, rebuilt it with Precision converter,new solenoids and new wiring harness. After overhaul,vehicle starts off in second gear. Once the vehicle starts moving, it will downshift to 1st and pr... |
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| 1994 Chevrolet Camaro Z28 5.7L No Start VIN: 2G1FP32P6R Help needed from those w/ more GM experience. This car came in on hook, was not getting stable high res signal from dist.. Replaced dist--still no start. It does this really weird thing--after cranking it runs backwards for a couple revolutions with the key on... |
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| 1994 Chevrolet Beretta 2.2L Cuts out VIN: 1G1LV1544R followed flow chart tryed new prom new computer & ingtion module crank sensor found wiring harness to sensor if we wiggled would act up spliced wires from sensor to center of loom were we could make it act up run fine till test drive set code & cut out ohm out... Trouble codes: 19 (crnk sensor fault) |
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| 1997 Chevrolet Cavalier 2.2L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: IGIJCI246V The problem is rough idling, sometimes severe hesitation, sometimes slight hesitation, and occasional stall. The fuel trims are always extremely low (-40) indicating a correction for a rich mixture which seems to be the case, but not to the point of smoking bl... Trouble codes: P0300, P0172 |
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| 2001 Chevrolet Silverado 1500 5.3L suspension VIN: 1GCEK14T71 Thanks to all for reading this post to begin. The vehicle came in with a vibration that appears to be in the rear of the vehicle. It does not shake the steering wheel, just mainly you feel it in the seat. The speed seems to be at about 60-65mph. The owner firs... |
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| 1994 Geo Tracker 1.6L raido VIN: 2CNBE18U3R could someone please tell me how this theftlock radio unlock code can be entered. I know how to unlock the 6 digit type but not the 4 digit type.this is the 4 digit type. I figured out by trial and error that if i press preset 2 and 3 it will give me the 4 dig... |
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| 1998 GMC Savana 3500 6.5L signal lights VIN: 1GDJG31F9W This is a cube van with a wiring nightmare. left turn signal with foot on brakes will stop flashing and stay lit RT signal light will also stay lit (bright),rt front light will light dimly. with left turn signal on only both Lt rear and rt rear will flash brig... |
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| 1999 GMC Savana 3500 5.7L Surge, Cuts out, Stall VIN: 1GTHG39R1X after truck warms up,will surge and stall under load..no codes everything appears within specs on tech2..no vacuum leaks,dist is installed correctly..any and all help is greatly appreciated..thanks,Charlie |
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| 1990 Oldsmobile Delta 88 Royale 3.8L Poor Idle Quality, Stall, Misfire VIN: 1G3HN54C5L this car runs for 5 min. and then starts to miss (the injectors start to dubble pulse) and stall and when its worm it runs for 20 seconds and stall and then somtimes when you try to restart it crankes like the timing is to advanced. I have tryed to moduals two... |
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| 2001 Oldsmobile Aurora 3.5L MIL Lamp on, Evaporative System VIN: 1G3GR64H61 Hi again best techs in the world, I'm needing help on this Aurora. It keeps setting a P0440 (Evap system "problem". May also be defined as large leak detected??). This car has been to several shops and a dealership for this fault. So far no one can find it. ... Trouble codes: P0440 (Evaporative System Fault large leak detected) |
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| 1999 Pontiac Montana 3.4L ABS light VIN: 1GMDX03E3X This pontiac montana has an ABS light that stays on with one or more of the following codes: C1225--LF excessive wheel speed variation C1226--RF excessive wheel speed variation C1232--LF wheel speed circuit open or short C1233--RF wheel speed circuit open ... |
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| 2000 Pontiac Firebird Formula 5.7L Poor Idle Quality, Surge, Cuts out, Stall VIN: 2G2FV22G0Y Now as engine idles, idle will drop and engine will stall. (Customer says he put a GT2 cam in this motor himself. And that it ran fine for almost a year...) When checking vacuum it starts out at around 18 and will drop to 10 where it levels off at until it sta... Trouble codes: P0504 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1995 Cadillac Eldorado 4.6L Security Light VIN: 1G6EL12Y0S Theft deterrent module replaced and security light began flashing. Then the lock cylinder was replaced with new keys and light quit flashing. Module ended up in right side of trunk. Thanks for all your input. |
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| 1991 Chevrolet K3500 Silverado 5.7L All engine wiring VIN: 1GBHK34K7M Thanks to the help people offered. However, we have been unable to locate a correct, complete wire harness for this vehicle. My customer does not want to buy a new harness and is a little scared of a harness I build so, he is going to 'part out' this truck. ... |
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| 1993 Chevrolet Lumina Euro 3.1L Electronic VIN: 2G1WN54TXP thanks to that all that reply.jimmy for missouri said that the vac.modulator was a the problem.well replace it took care of problem.found on the old one that the tip was very loose at the end in the trans.so thanksw to all |
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| 1999 GMC C2500 Sierra SL 5.7L MIL Lamp on VIN: 1FM54JN76G hey guys thank you all for the helpful information.I went to work this mornin and hooked the scanner up to the vehicle adjusted the cam retard to [...].Guess what?Problem is solved the ses light stayed off.Thanks again guys. Trouble codes: P1345 (CMPCK Corelation). |
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