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Professional Automotive Repair Technical Discussions for April 16, 2007 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1994 Buick LeSabre Limited 3.8L Battery Drain VIN: 1G4HR52L1R This car has had 3 batteries & 2 alt. replaced in a very short time .The lady drives it about every 4 days .Has to jump it off I checked for a battery drain and have .220 ma. I can pull the fuse under the hood labeled pcm & VATS..iCAN ALSO PULL the center plug... |
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| 1988 Chevrolet C1500 Cheyenne 5.7L engine VIN: 2GCEC19K4K I NEED SUPER HELP, I HAVE LOST MY COMMON SENSE WITH THIS ONE, PROBABLY BECAUSE IT IS A SIMPLE TBI CHEVY. AFTER A NOTHER SHOP REPLACED THE ENGINE AND SHOTGONED IT WITH NEW PARTS THEY BROUGH IT TOO ME BECAUSE OF A LONG CRANK TO START CONDITION. I TOOK THE JOB FI... |
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| 1993 Chevrolet C1500 Cheyenne 5.0L Misfire, Poor Fuel Economy VIN: 2GCEC19HXP i have this truck that is giving me fits. the parts i replaced needed changing but i still have a missfire (#8 plug wire arcing all over & cap full of carbon tracks ).i am missing something truck runs great at idle & slow take off but if you put any type of lo... |
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| 1996 Chevrolet K2500 Cheyenne 6.5L No Start, Stall VIN: 1GCGGK29FX Hi, we don't do a whole lot of diesel repairs in our shop but are starting to see more and more as they become more popular. We currently have this vehicle which I have diagnosed with a faulty fuel injection driver module. The problem I have is that the driver... |
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| 1996 Chevrolet Cavalier 2.2L Collision Repair VIN: 1G1JC1248T Hello to all.Thankyou for taking the time to read this post. I am trying to help a freind who had a very slight fender bender. He tapped the back of another car hard enough to deploy both air bags. I am trying to help with the repair but this is not my usual t... |
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| 1996 Chevrolet C1500 Cheyenne 5.0L Cuts out, Stall VIN: 2GCEC19M7T Vehicle came to us no-start. We replaced the engine. On the test drive, it cut out(sometimes will stall) under acceleration, both from a standing start, and at highway speeds when kicking down into passing gear between 3500 and 4000 RPM. Starting out under loa... |
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| 1998 Chevrolet Astro 4.3L Poor Idle Quality VIN: 1GBDM19W2W Have this 98 Astro that is driving me nuts!!! Only code shown was a 0306. Truck was running rich. After a complete tune up- most components were original - plugs, cap, rotor, wires (all Delco, problem was still there. Ran a compression test and found #6 was sl... Trouble codes: P0306 (Cylinder 6 misfire) |
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| 1999 Chevrolet Venture 3.4L no drive or reverse VIN: 1GNDX03E3X This van was towed to us because it would not move forward or back when you put it in gear. Once it got here, we drove it off the flat bed, it seemed fine, then it would not move at all. The scanner shows the gear position changes but still nothing, BUT if you... |
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| 1999 Chevrolet Venture 3.4L Master Cylinder VIN: 1GNDU06E3X Well here I'm again guys, trying to figure out is there is anything that i can do to replace this Brake master Cylinder with ABS system I think is delco moraine VI, book is calling to do a Gear Tension Relief and I do have my Modis & Genysis both with ABS soft... |
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| 2000 Chevrolet Blazer LS 4.3L electrical control VIN: 1GNCT18WSY i do not have access to a wire detail for the 4 wheel drive system. this would help big time if someone can supply it for me. any idea's would be grealy appreciated. when the vehicle was brought in the fuse for the system was blown and blows almost immeadiatly... |
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| 2000 Chevrolet Blazer LS 4.3L Pressure Sensor VIN: 1GNDT13W7Y The fuel level gauge reads empty sometimes and othertimes it is correct but on the Tech two data it reads 100% when the gauge reads empty. The fuel pressure sensor reads -14.15Hg. I replaced the sensor with a good one and it still reads the same. When you unpl... |
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| 2003 Chevrolet Monte Carlo LS 3.4L No Start VIN: 2G1WW12E03 I have a weird one here techs, although she might be a simple fix. I stopped off at my shop today on my day off and was told one of the workers 2003 Monti Carlo won't start. A week ago her key vob would not work, however the vehicle started and ran. She did no... |
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| 2003 GMC Savana 3500 6.0L Poor Idle Quality, Stall VIN: 1GTHG39U73 greetings to all,i have this van that on the first cold start of the day it will start but have a low idle and sometimes even stall.i have no codes and i also researched the archieves and have seen some with similar problems that led to bad intake manifold gas... |
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| 1999 Pontiac Montana 3.4L overdrive VIN: 1GMDX03E4X Van came in last week with a complaint of no overdrive. Found codes P0742 TCC ctuck on & P1811 Max adapt shift. Replaced the PCS as per lots of experience on the P1811 & replaced The trans fluid pressure switch for the P0742 as per archives in IATN & Identifix... |
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| 2002 Pontiac Firebird 3.8L engine hey GM techs, heeeeeelp, neighbors car came whit pushrod noise, replace prds from dealer, noise' is not going, I hear the noise in the intake, not in the rocker arm. "please any help amigos" thanks advance |
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| 2003 Pontiac Montana 3.4L Front wipers First off I work at a Ford dealer but I can't seem to convince my friends and neighbors to get one. I don't have access to shop manuals on these vehicles but said I'd see what I could find out and hopefully fix them up. Customer states that he turned on wipers... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1989 Cadillac Eldorado 4.5L Poor Fuel Economy VIN: 1G6EL1159K Thanks everyone. I used the onboard diagnostics and the sensor values are correct. I guess caillac doesn't like scan tools. Thanks again. |
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| 1997 Cadillac DeVille 4.6L injector pulse VIN: 1G6KD54Y9V lots of good tech info on this one . it turned out to be corrosion in under hood fuse box on 10 amp pcm / battery fuse cleaned corrosion , replace fuse started right up . alot of replies on testing key & cyl that was ok . with bad connection pcm some how was n... |
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| 1997 Cadillac DeVille 4.6L Misfire VIN: 1G6KD54Y6V Thanks everybody pressure tested nothing drove until missfired again then did a block test witch turned out pos. for combustion gases. also would go low on coolant after long drives customer says this now. Thanks again scott. Trouble codes: P0300. |
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| 1993 Chevrolet K1500 Cheyenne 4.3L Hesitation, MIL Lamp on VIN: 1GCEK14Z2F Unfortunatley, the owner never returned, we suspect we actually fixed the truck by resetting tyhe distributor for him, and doing the 'ill bring it back monday' was a way to skip out on the bill, but well just mail it to him with a demand payment. Trouble codes: 43 (est problem), 42 (est error). |
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| 1998 Chevrolet Express 2500 4.3L Poor Idle Quality, Misfire VIN: 1GCGG25W1W Decided to pull head. engine was rebuilt and guides were galled causing sticking valves. pulled rest of engine and all bearings were copper. customer had blown op switch and run out of oil. didnt tell us about it but fessed up after I talked about it. thx for ... |
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| 2003 Chevrolet Express 2500 6.0L coolant in oil VIN: 1GCDG25UX3 jeremy from california was right i removed cylinder heads and found them flooded with coolant replaced the head gaskets and drove the van over the weekend every is fine thanks to all who responded |
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| 2003 Hummer H2 6.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5GRGN23U23 I'd like to thank, Jim from California, and Robert from Indiana. The left side converter had four pounds back-pressure at idle, and ten pounds back-pressure at 2000 R.P.M. It took this long for the customer to decide how he wanted to fix it. We installed a uni... Trouble codes: P0300. |
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| 2000 Saturn SL 1.9L engine VIN: 1GBZK5273Y Most of the responses did carry a common reply, OE parts only the sealed power rings did not fit correctly, we spent the much extra money and put in Saturn rings and all is good. New head bolts and a Saturn head gasket also went in to complete the repairs. The... |
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| 2001 Saturn LW300 3.0L No Start VIN: 1G8JW82R01 Well I wasn't able to fix this one. I could never duplicate the stall. Customer has taken the vehicle and the problem hasn't reoccured and I'm hoping that it won't. The 3 replies I received suggested the crank sensor was probably bad and that was my suspicion ... Trouble codes: P0136 (O2 Sensor Heater Bank 1 Sensor 2), P0156 (O2 Sensor Heater Bank 2 Sensor 2). |
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