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Professional Automotive Repair Technical Discussions for February 26, 2010 International Automotive Technicians' Network (iATN) - Members Only |
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(Also Available: All, Asian, Chrysler, European, Ford, GM.) | ||
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Open Help Requests for GM
Help Request | Answers | |
1995 Buick Regal Gran Sport 3.8L Mechanical VIN: 2G4WF552L0 Hello fellow techs. Hopefully someone can shed some light on this problem child. The car came in with a severe oil leak. Found that timing cover gasket was leaking. Replaced timing cover gasket. Also replaced front crank seal, oil pan & gasket. After reassembl... |
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1997 Buick Park Avenue Ultra 3.8L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G4CU5211V For a short while customer complained that in wet weather it would buck and misfire on occasion. It needed a tune up and I found arcing and deterioration of the coil pack so I replace all three with module, wires and plugs.(fuel and air filter was done last mo... Trouble codes: P0300 (Random cylinder misfire) |
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2005 Buick Allure CX 3.8L Stall VIN: 2G4WF532Y5 At this time, vehicle of course not acting up, only code is the above for bank one sensor one o2, problem is intermittent stall, happens on startup, happens when slowing down, no regularity to the problem, may not act up for weeks, settles right down after res... Trouble codes: P0131 |
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2000 Cadillac Seville STS 4.6L Parasitic Draw, Batt dies in 2 hours VIN: 1G6KY5496Y Around every three minutes the fuel door will pop open and the draw will go to 1.8A. The battery has been replaced, main battery ground cleaned and secured under seat, positive terminal is tight and clean, cleaned connection at battery junction box under the h... |
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2001 Chevrolet Prizm 1.8L Wipers VIN: 1Y1SK52801 Toyota techs please help me!!! This Prizm is one of our own, The wipers will turn on with out warning and then run constanly. If you turn the wipers on they also will never shut off. Sometimes its good for days other times the wipers are on right after start u... |
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2000 Pontiac Grand Am SE 3.4L Cooling Systems VIN: 1G2NF52E4Y Hi,need some help have this pontiac came back to me twice owner says it will overheat on them sometimes,I have not got it to overheat on me I can turn fans on with scanner low speed and high. When I hold rpm over 2000 in bay within 5 minutes at 219 degrees ste... |
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2001 Saturn SL1 1.9L MIL Lamp on VIN: 1G8ZH52811 this is the third time this saturn has been in for check engine light in a year.all three times it has been smoke tested.first time it tested tight,and customer indicated that she might have fueled up a couple of times with car running.she didn't realize that ... Trouble codes: P0442 |
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Fixes & Summaries for GM
Fix/Summary | Answers | |
2003 Chevrolet Silverado 2500 HD 6.6L Misfire VIN: 1GCHK23163 Well I was able to finish the diagnostics, the company decided not to replace the faulty radio so I reinstalled it leaving it unplugged. Now that I could run an injector balance test the results were almost no smoke with #4 injector cancelled. I think that #4 ... Trouble codes: P1223 (injector 1 driver circuit voltage), U1800 (pcm lost communiction with ficm). |
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2005 Chevrolet Venture LS 3.4L rf speed sensor VIN: 1GNDV03E95 HI guys sorry for the delay. Thanks to all who took the time to reply it did turn out to be a break along the wire harness to the rf wheel speed sensor. Problem is now solved thanks again to every one who provided help. |
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2008 Chevrolet Trailblazer LT 4.2L remote security VIN: 1GNDT13S58 Thanks to all; As most replies suggested I had the programming done at the dealer, as my scan tool would not do the job. I did get a couple that said some could be accessed though dash controls, but I already had the job done so I did not get to find out. I wi... |
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2008 Chevrolet Silverado 2500 HD LT 6.0L Turn signals VIN: 1GHCHC29K6 Thanks again for you reply. Chester and Dusting mentioned the BCM. The BCM has individual power for each of the turn signals so I went and check all the voltage coming out from the BCM to the turn signals and guess what, there was no voltage to the front right... |
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1997 Oldsmobile Aurora 4.0L Misfire, Poor Fuel Economy VIN: 1G3GR62C9V thanks to everyone who replied. i cleaned the inj. fuel trims are almost normal.missfire are gone.i told customer to drive it for a week then bring back.will ck.fuel trims again.may also clean inj.again. thanks to everyone. Trouble codes: 300 (missfire). |
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