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Professional Automotive Repair Technical Discussions for June 29, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1988 Buick Riviera Luxury 3.8L crt display VIN: 1G4EZ11C8J Hi All Thanks for taking tiome to read my post. This Buick has a CRT Display that comes on then after a few minutes the screen starts to roll. We have 3 used displays and CPS and even the CRT drivers. One display had a pin missing on the horl hold and the oth... |
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| 1994 Buick LeSabre Custom 3.8L Hesitation, MIL Lamp on VIN: 1G4HR52LXR code p1361 sets on start up every time. have followed code chart in alldata and replace control module. the problem we have is on circuit 423, according to chart, resistance should be less than 300 ohms, we have 10k. have ohm'd out all other wires to ic module... Trouble codes: P1361 |
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| 1996 Buick LeSabre Custom 3.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G4HP52K1T Ok as you can see we ran the gauntlet so far replacing parts but now its time to stop and ask for help. This car came in for check engine light missfire cylinder 1.With scanner hooked up you can watch at idle cylinder 1 missfire but will go away at around 150... |
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| 1997 Buick Park Avenue 3.8L No Start, Cuts out VIN: 1G4CW52K3V Hi, got a tough one,while driving hot ac on engine cuts off . Coast to stop, no lights on dash,with key still on,will not crank no batt. current for about 30 seconds, then lights come back on dash and engine starts.Trans will not come out first gear and analog... Trouble codes: P0748 |
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| 1992 Cadillac Seville 4.9L Lighting VIN: 1G6KS53B3N this car came in running but instrument cluster was inop did some testing and found that cluster bad replaced cluster its working properly but now car will not start now and cluster is displaying switch problem and keeps advising me to wait three minutes can u... |
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| 1933 Chevrolet Coupe 216CID Hesitation, Misfire VIN: 0000030558 We installed new battery, vaccumed tank of old fuel - added fresh with lead substitute, a bit of sea foam, and a bit of octane booster to the new gas. Got it started but it ran very poorly. Replaced worn points, cap, rotor and coil due to arcing. Has cloth wo... |
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| 1957 Chevrolet belair wagon 350CID Cuts out, Stall, popping when punch VIN: VB57S16008 ok i hope some one can help me with this vintage mutt. ok a 57 chevy with a @70's (so i am told by owner) 350 chevy points and condensor. has a new roch quad carb # 7043202. i am hoping some one can help me with a spec for fuel pressure. koec is 5 psi. when i ... |
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| 1987 Chevrolet El Camino 5.0L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy, MIL Lamp on VIN: 3GCCW80H1H Car came in with complaint of check engine light on and poor idle and no reverse lights. Found fuse for ECM blown. Replaced and was fine for a wile now customer comes back today with same complaint and fuse blown again. I looked into alldata for wiring diag. a... |
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| 1989 Chevrolet K1500 Cheyenne 5.7L No Start, Poor Idle Quality, Cuts out, Stall, Misfire VIN: 2GCEK19K3K this truck came in on a hook, nits starts but will not run ,good enough th drive , its pops and backfires. we check fuel pressure (specs9-13#0)-13#,we checked and replaced the ignition module(tested bad, we also replaced the cap, rotor, and plugs. the cusomer ... |
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| 1990 Chevrolet Corsica LT 2.2L Hesitation, Cuts out VIN: 1G1LT54G1L Well it is GM week, many goofy driveabilities but this one is a doosey. This vehicles complaint was a hard start, then misfire and will smooth out. Hesitates at hwy speeds, then when warm vehicle will run fine. We could duplicate both but after replacing the a... |
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| 1996 Chevrolet Tahoe LS 5.7L Poor Idle Quality VIN: 1GNEK13R9T Engine Performs Good Just Above Idle In Any Condition,After Extended Drive Idle Surges And 02,s Go Lean. Enrich Fuel System Into Valve Cover Engine Smooths At Idle. Intake Manifold Gaskets Were Orginally Replaced At Another Shop For Coolant Leak. We Are Using ... |
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| 1997 Chevrolet K3500 7.4L Excessive Emissions, MIL Lamp on VIN: 1GBJK34J2V Post o2 sensors were replaced, 4 wire sensors and both are stuck at .438, heater circuits are o.k. tested all o2 sensor wires fron computer to o2 sensor connectors by transfercase, no shorts or opens. suspect an ecm problem. Any help from you GM Techs. Thanks. Trouble codes: P0140, P0160 |
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| 2000 Chevrolet Express 1500 5.7L Turn Signals VIN: 1GBFG15M6Y [...] Would like to know if there are any on going concerns of turn signal switches going bad and shorting out, left turn signal only. Will blow fuse when left turn signal is put on, flasher buzzes then blows, hazards will blow fuse also. Short com... |
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| 2002 Chevrolet Tahoe LS 5.3L lights VIN: 1GNEK13Z92 I'll start with letting you know this is my mom's vehicle. So you know how desperate I am. The dash lights, interior lights, and exterior light surge in brightness. The higher the motor is reving the faster the surging (flickering). I have had several suggesti... |
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| 2001 GMC Sierra 2500 HD SL 6.0L Driveshaft VIN: 1GTHK25U61 Hi all. This truck came in with a noise coming out of the rear Diff, and I dissasembled to find worn pinion bgrs, so I re-bgrd the whole rear end. After rebuild, the noise has not really changed. You can hear sort od tinny sound when takinjg off from a start, ... |
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| 1995 Oldsmobile Cutlass Supreme SL 3.1L Cooling Systems VIN: 1G3WH52M7S Hello, I stumped on this one please help. This olds with a 3.1 use's oil 1-2 qts. every 400-500 mile.Car runs fine it seem like alot of the oil is getting mixed in with the antifreeze. I did pressure the cooling system i didnt see any leaks.I have done alot of... |
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| 1993 Pontiac Grand Am SE 3.3L evaporator VIN: 1G2NE54N8P A girl came in because her carpet is getting wet on the passenger side,and smelling musty. I checked the drain and it feels clear. I cannot see where the water is coming from,but the insulation on the inride firewall is soaked. She's coming in Thursday for me ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1989 Buick Regal Limited 2.8L No Start, Cuts out VIN: 2G4WD14W6K thanks for the help everyone. the problem ended up being the coolant level sensor in the radiator. I did not know it had anytheing to do with computer operation but it sure can affect it. replaced sensor, fixed car, customer happy and i am very appreciative to... |
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| 1995 Buick Park Avenue 3.8L Poor Fuel Economy VIN: 1G4CW52K1S I received several good suggestions for example there was a suggestion to clean the MAF sensor and that was done. The coolant sensor was also suggestied to be a possible problem but it checked out OK. The possiblility of the pressure regulator leaking was the ... |
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| 2000 Cadillac DeVille DTS 4.6L abs module VIN: 1G6KF5791Y Thanks for the help in repairing this Caddy, I sent the car to the local Caddy dealer to have the EBCM programmed with the correct information and all is O.K. THANK YOU |
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| 1994 Chevrolet C1500 Suburban 5.7L Heater Core VIN: 1GDEC16K3R Well, We Got It Back Together & Did Have Stray Current In The Coolant System. We Installed Another Ground From The Blower Motor Flange To The Pillar @ The R.H. Door. PROBLEM GONE !! |
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| 1997 Chevrolet Tahoe LS 5.7L No Start VIN: 1GNEC13R8V thanks for everybodys thoughts, the fuel pump replaced was a assembly including the sending unit. some tips suggested bad connctions after transfering a new pump to the unit. but we had replaced the pump and sending unit assembly. there was no debris or contam... |
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| 1996 Pontiac Grand Am SE 2.4L No Start VIN: 1G2NE52T8T sorry havent gotten back sooner after alot of wire tearing found serial wire shorted to ground in right rear door car was built with key fob mitchell wiring doesant even show this wire well took a litlle bit of ivestigation but problem solved thanks for all yo... Trouble codes: 1601 (loss of computer data link), 1629 (theft system problem). |
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| 2002 Pontiac Firebird Formula 5.7L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 2G2FV22G72 This was a first request for help so I now realize how good you guys are, THANKS FOR THE REPONSES!I had a suggested fuel pressure regulator may be interrmintent, Check MAF for intermittent and O2 sensor system may be grounded intermittently. This morning I cal... |
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