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Professional Automotive Repair Technical Discussions for January 23, 2012 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1996 Buick Park Avenue 3.8L air distribution, errant temps VIN: 1G4CW52K0T When going uphill, the air output drops from the dash registers to the floor, and returns on letup or decelleration. Also, with the dual zone system set on manual, and target temp set at 90, the passenger's side set at it's coolest setting, the passenger's sid... |
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| 2005 Buick LaCrosse CXS 3.6L radio VIN: 2G4WE537X5 Runs battery dead overnight. Battery 1 j-case (under hood) fuse kills draw. Radio/amp (Inside feeds off bat1 fuse) fuse is guilty. Unplugging amp changes draw to 75ma. Problem seems to be that the radio is not powering off and is also keeping amp on. This is k... |
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| 1991 Chevrolet Camaro Z28 5.0L No Start VIN: 1G1FP33F9M vehicle will not start without adding fuel to system[carb cleaner] engine will start and run normally until you restart engine.compression 150 all cylinders/fuel pressure 41-45 on cranking/has good spark[new distributer and coil new plugs and wires.road test r... |
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| 1993 Chevrolet G30 Hi-Cube 5.7L No Start VIN: 2GBHG31K5P Bus got towed to shop for no start. Customer said it started and ran for a few min around his yard and then quit. Stared back up ran for five min than never started again. Fuel pressure is 16lbs, have good spark but i have no injector pulse. I scoped the picku... |
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| 2004 Chevrolet Silverado 1500 5.3L Differential VIN: 1GCEK19T44 This truck has no light on the transfer case switch except back light and no communication with the tccm but the crazy thing is there are no codes for it and no service 4wd lamp we checked all power and grounds previous shop replaced tccm and switch with no ch... |
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| 2004 Chevrolet Tahoe LS 5.3L Pcm VIN: 1GNEK13T44 TCC does not work nor does it get command on data screen when driven. It will go into lockup when commanded from scan tool. TP, ECT, Brake switch all work properly and the PCM harness is clean [no green]but there is a po300 random missfire and I clearly see cy... |
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| 2005 Chevrolet Suburban 1500 LT 5.3L odometer VIN: 3GNEC16Z45 odometer shows error,there are no codes in ipc,bcm ecm,or any other module,I think it needs to be shipped for repair,just want confirmation from other techs.any responses would be appreciated |
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| 2006 Chevrolet Trailblazer LT 4.2L abs VIN: 1GNDT13S56 This is my wife’s and as we all are aware that seems to be the "one" vehicle that Murphy’s Law kicks you in the shins on every time. This thing has set a code C0196 off and on from the time we bought it with 12K miles on it. I finally got it in the shop to get... |
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| 2008 Chevrolet Express 2500 4.8L Theft Deterrent VIN: 1GCGG25C68 I have this van that someone tried to steal. I replaced the TDM and lock cylinder due to damage, but I can not get it to relearn the key. I was told by my dealer that I could perform a 30 min. relearn on this vehicle but I was wondering if anyone knew for sure... |
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| 2008 Chevrolet HHR LS 2.2L Power locks Shift interlock VIN: 3GNCA13D38 After sitting for at least eight hours when the car is started the door locks unlock and continue to unlock for five minutes. Also the shift interlock solonioid releases at the same time with foot on brake pedal or not. What I mean by that is that the door unl... |
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| 1999 Saturn SC2 1.9L Misfire VIN: 1G8ZR1270X check engine light on. scaned and has a po300- multiple cyl. misfire. under load cyl. #1&4 misfire. if you unplug the egr valve the misfire goes away. intake is not leaking' replaced ign. coils,module,wires,and plugs with oem pts. tried a new egr valve also. n... Trouble codes: P0300 |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1990 Chevrolet K1500 Cheyenne 5.7L Mechanical VIN: 1GCDK14K4L Thank you all for your help. I turned out to be the booster. Installed another new booster and all is well. Again thanks for all your help |
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| 1991 Chevrolet R2500 Suburban Silverado 7.4L Blows Fuse VIN: 1GNGR26N3M THANKS TO ALL YOU GUYS WHO TOOK TIME TO RESPOND.BY THE WAY THIS TRUCK HAD A4L80E,WHICH I UNDERSTAND WAS THE FIRST YEAR THAT IT WAS AVAILABLE.I ENDED UP REPLACING THE SOLENOIDS AND INTERNAL WIRING HARNESS.ITS BEEN GONE 4 DAYS,SO FAR SO GOOD.WHAT I REALLY WANTED... |
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| 2005 Chevrolet Silverado 1500 5.3L No Start VIN: 1GCEK19T35 WELL IT IS FIXED DAN HAD THE RIGHT IDEA I UNHOOKED THE BATTERY RESTARTED AND PARKED OUT SIDE IN THE 10 BELOW WEATHER AND AT 5 OCLOCK PRESTO IT STARTED, ALL THE FUEL NUMBERS WERE RIGHT ON WHEN IT WARMED UP ALL WORKS PORPERLY AND STARTS COLD THANKS FOR ALL THE G... Trouble codes: P0171 (p0172-), P0172. |
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| 2007 Chevrolet Silverado 3500 Classic WT 6.0L Hesitation VIN: 12007CHU07 thanks for the info.i replaced just the front pump per service company.all is good.i was wondering if the side was the primary tank.good to no.i could'nt find any of this info in either site. |
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| 1999 GMC K2500 Sierra SLE 5.7L MIL Lamp on VIN: 1GTGK23R7X Pretty much all your great replies is were I was heading. My engine miss was my brand new delco cap corroding, again.I cleaned cap, and blew out vent holes in dist. now it runs fine. I am going to swap the t-stat, and dist. gear this weekend and see what happe... Trouble codes: P1345. |
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| 2000 Oldsmobile Intrigue GX 3.5L Airbag light VIN: 1G3WH52H8Y Well i believe this one is fixed, the consensus of the replies was the SDM was not properly programmed in to the new BCM. I agree. As soon as the customer returns with the Veh. my local Chevy shop will be getting an ear full! Thanks again for all the help! ... |
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| 2003 Pontiac Grand Prix SE 3.1L No Start VIN: 1G2WK52J93 After extensive electrical testing, we could still not establish comunication with the ECM. Even after eliminating all other modules, everything on the 5v reference circuit and 12v circuit we could still not establish any communication. We had 12.5v going to t... |
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| 2006 Pontiac Torrent 3.4L headlights VIN: 2CKDL63FX6 I DID NOT GET A CHANCE TO LOOK AT VEHICLE AGAIN. THE VEHICLE OWNERS DAUGHTER HAS ROLLED THE VEHICLE OVER. THANK YOU ALL FOR YOUR HELP. |
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