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Professional Automotive Repair Technical Discussions for January 2, 2007 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1995 Cadillac DeVille 4.9L Speed Sensitive System VIN: 1G6KD25B9S Happy New Year Everyone! To make it short, I performed the procedure to remove the service suspension message and code I039. After driving, the message will return and disappear at inconsistant intervals, not immeadately after reaching 5mph as it did before. I... |
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| 1992 Chevrolet Lumina 3.1L MIL Lamp on, High idle VIN: 2G1W154T9N When the weather turns cold (below 20 degrees F.) idle stays high. Scan reads throttle above 0% at idle. Around 5%. Reset and is good till it gets cold again. Last April a reman computer and prom were installed. Checked archives and came to this conclusion. No... Trouble codes: 35 (IAC problem) |
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| 1996 Chevrolet C1500 Cheyenne 4.3L No Start, Misfire VIN: 1GCEC14W2T vehicle was being driven when engine stopped (driver was slowing to turn corner) engine turns over but will not start. spits thru trottle body during cranking no codes have set. timing chain and gears ok. distributor gear ok. one source said timing marks on ge... |
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| 1996 Chevrolet Caprice Classic 5.7L MIL Lamp on VIN: 1G1BL52P7T Hey all you GM guys. I am posting this for a friend at another shop. This is 1996 Impala SS 5.7L. Vin "P". Car came in with a code P0412 A.I.R Relay control circuit. After inspecting the vehicle he found that a TSB (GM 01-06-04-011) had been performed at some ... |
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| 1998 Chevrolet C1500 Cheyenne 4.3L 4.3L Engine Replacement Compatibility VIN: 1GBGP32W3W Hi All: I have a question regarding the interchangability (sp) of the GM 4.3L V6 engines. I have a 1998 Chevrolet P-30 step van with a 4.3L 'W' motor that has lost a rod through the side of the engine. The P-30 is equipped with "Vortec" multi point injection ... |
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| 1999 Chevrolet S10 2.2L heating VIN: 1GCCS1449X Hello fellow techs, i have this s10 pickup with 2.2 came in shop not heating up properly, checked therostat and clutch fan, thermo stuck open and clutch fan not operating properly, changed thermo and clutch fan,vehicle will not heatup, the highest that i can g... |
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| 1999 GMC Sierra 2500 SLE 6.0L fuel pump VIN: 1GTGK24U1X hi guys! i am looking for in put on this truck. it seems to eat fuel pumps. the customer claims he had one put in under warranty by dealer, another shop in town install i believe a napa brand pump at around 50,000 miles, then i put an ac/delco in it at 83,000 ... |
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| 2000 GMC Savana 3500 5.7L No Start VIN: 1GDJG31R2Y I am looking for advice on this problem van. I have a int no start which turned into a total no start today. 30 degrees F cold soak and this van would start and die due to passlock problem. code p1626 for no vtd signal recieved. had same problem but intermitte... Trouble codes: P1626 |
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| 2005 GMC Yukon XL 1500 Denali 6.0L trans shift VIN: 1GKFK66U55 hope a dealer tech. could help.problem with upshift. sometimes starts off in 2nd gear some times heavy clunk on upshift. dealer tells me nature of the beast. they all do it. i can not believe a $50k truck should operate this way. i believe gm knows about this ... |
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| 1991 Oldsmobile Cutlass Ciera S 3.3L Poor Idle Quality, Misfire VIN: 1G3AJ54N7M a real nightmare and no apparent solution, car bought at 128,000 many minor issues were repaired, scope checked with senx probe, #3 & #5 cylinders misfiring at idle when hot, found #5 intake runner gasket seaping coolant into cylinder when hot and when fan cut... |
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| 1993 Oldsmobile 88 Royale 3.8L No Start, Stall VIN: 1G3HN53L3P this is a strange one, hope someone has ran across this one. the car will start and run fine for 10 to 30 sec. then will die like you turned off the ignition. it loses injector pulse(neg. from computer, still has 12vdc.)and also loses spark to plugs, still has... |
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| 1997 Oldsmobile Aurora 4.0L Misfire, MIL Lamp on VIN: 1G3GR62C5V help gm, cadillac, olds gurus)))!!! this aurora is killing me. customer brought car in running very poorly with check engine light on, testing revealed vacuum leaks at throttle body base, and bad mass air flow sensor. also had ignition misfire on cyls 2,8. (wi... Trouble codes: P0300 (multiple cylinder misfire) |
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| 2002 Pontiac Grand Am GT 3.4L Surge VIN: 1G2NW52E12 Hello everybody and sorry but I am new to this site. Grand-Am comes in complaining of surging when driving. Going under load and does not have to be heavy you will start to feel a surging and hear it in the exhaust like someone pushing the accelerator down and... |
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| 2003 Saturn Ion-1 2.2L No Start VIN: 1G8A152F73 hi customer stated this car ran fine no ck engine light no symptoms, went to start car in driveway and had no start condition, no codes stored, scanned sensors iat and ect read -40 degrees, iac reads 192333 lt fuel trim -81 5 volt reference at iac tps map iat ... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1968 Chevrolet Camero 454CID Engine I.D. VIN: 124378L842 Thanks for the help gentlemen. This engine has been hotroded and I have found that the intake valves have been dancing on the pistons so I will have to do some measuring |
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| 1997 Chevrolet K3500 Cheyenne 7.4L hard start VIN: 1GCHK39J1V well they are both fixed! on both trucks the regulators were fine, and both had injectors leaking. i put in a set of reman injectors from ohio auto tech. the first customer claims the truck has never ran that good, the second one had just purchased the truck s... |
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| 2002 Chevrolet Silverado 1500 5.3L transfercase VIN: 2GCEK19T72 Well, I believe it's fixxed. It worked fine for us over and over and the cust. hasn't come back so I'll call it fixxed. The only problem is I can't say what was the fix. The one thing that made a difference is I unplugged the module(behind headlight switch)and... |
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| 2005 Chevrolet Equinox LT 3.4L cvjoint VIN: 2CNDL73F65 none of the replys i recieved helped! we still do not know what happened to cause this mess.three times on one side and one time on the other! maybe the car gods were angry that day vehicle left and has not broken since! |
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| 2004 GMC Sierra 3500 SLE 6.6L Poor Idle Quality, Surge VIN: 1GTHK33244 This unit is running perfect know, with the help of some good advice [reassurence]. I recieved help 4 diferent techs. Kevin figured possible fuel pressure sensor and also supplied some times for replacement, regulator sensor 1.4 hrs, and warrenty time for regu... |
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| 1991 Oldsmobile Delta 88 Royale 3.8L No start VIN: 1G3HN54C7M Found 2 bent exhaust valves. Thank you for all your help |
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| 1996 Saturn SL1 1.9L Cuts out VIN: 1G8ZG5285T This vehicle had excessive blow by on cylinder #1 when I did a leak down test it was at 50% and blowing out of the oil fill. Thanks to everyone who helped. I am assuming this would not allow the crank learn procedure to happen. Customer said no repair at this ... Trouble codes: 336 (crank position sensor performance). |
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