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Prev Professional Automotive Repair Technical Discussions for August 18, 2011
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Open Help Requests for GM
Help Request Answers
1994 Buick LeSabre Custom 3.8L Misfire VIN: 1G4HP52L9R
Hello Gentlemen, this Buick has me puzzled the customer says it runs rough low power after 180 miles or so, the code P1568 is due to the variation between actual cruise diphragm position and the desired position values, I scanned it and got an actual reading o... Trouble codes: P1361, P1568, P1599
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2005 Buick LaCrosse CX 3.8L Stall VIN: 2G4WC53215
hello to all members,got this buick that stalls from time to time,with the fuel gauge hooked up when driving and when it dies fuel pressure stays in spec,also have scanner hooked up to see if rpm drops out but it doesnt,there is no codes and restarts every tim...
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1973 Chevrolet Corvette 5.7L Noise in the rear end area VIN: 1Z37J3S405
There is a noise in the rear end area when driving slow. 10 to 20 mph under little or no load. The noise is a light knock once for every wheel rotation. It will not knock when doing circles. The noise goes away when driving slowly up a hill. The noise is there...
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1992 Chevrolet S10 2.5L Stall VIN: 1GBCS10A8N
This is a postal LLV. It has had the brake booster, IAC, alternator and the computer all replaced. Scanned to see if everything is working properly and all is good. This truck stalls when turning either right or left lock to lock. Doesnt do it all the time abo...
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1997 Chevrolet Tahoe 5.7L 4x4 indicator VIN: 3GNEK18R8V
Hello everyone, I got this Tahoe 4x4 and the problem with this thing is that the 4HI and 4LO indicators will not stop flashing at all. They are not flashing together at the same time but individually when selected. NOTE: the 4x4 is engaging and disengaging nor...
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1998 Chevrolet C2500 Cheyenne 5.7L No Start, VIN: 1GCGK29R5W
This vehicle was towed to shop with a blown ECM I fuse.I noted that fuse is tied into a number of sensors and ignition system components that recieve 12 volts. Checked all grounds and voltages, in the process I may have moved wires by fuse block and computer. ...
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2002 Chevrolet Avalanche 1500 5.3L Ebcm VIN: 3GNEK13T82
Hi everyone and thanks in advanced for all the help. I have this avalanche in for an abs light problem. There is no communication with abs module. I pulled 3 Body Codes U1301, U1041, and U1016. I check the wiring for the EBCM and it is good. The Big red wire h...
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2002 Chevrolet S10 4.3L miss and poor power VIN: 1GCDT13W52
vehcile came into shop with a miss had codes po335 and po341 in it change out both and done a tune up runs good in shop but on road around 50 has miss and when take off tac goes up to 3000 rpms and seems to not have good power fuel pressure checks good
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2002 Chevrolet Avalanche 1500 Z71 5.3L tach- fuel gage only-ses lite will come on VIN: 3GNEK13T32
Vehicle came into shop for intermittent gage operation. On start up,tachometer will be inop,gas gage stays on empty, sometimes if this occurs long enough will trigger ses lite. Will set transmission codes pertaining to solenoid pack. Leave vehicle run and symt...
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2002 Chevrolet Astro 4.3L does not turn off VIN: 1GCDM19X02
Fellow techs this van does not turn off when you turn the ignition off and pull the key out. The engine stays running for about 5 to 10 minutes after you pull key out of ignition. I took a guess at the ignition switch and problem is still there. Intermitent......
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2004 Chevrolet Tahoe LS 5.3L steering gear VIN: 1GNDT13524
The metal line on this vehicle keep cracking at flare on pipe. Normally it does this after driving for only two weeks. Put on two new pipes from dealer and both done the same thing, dealer said those were only two sold this year. Nothing seems to be rubbing pi...
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2005 Chevrolet Uplander LS 3.5L No Start, Serv vtd light on VIN: 1GNDV03L25
Ok so this customer called yesturday pretty much demanding i drop everything and get her van right in.states on her way to day care service vtd light came on.shut van off picked up/loaded up the kids and van wouldnt start just clicked (no crank).after trying k...
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2002 GMC Envoy SLT 4.2L Starting VIN: 1GKDT13S35
Hello everyone, i'm working on this GMC, car stall on freeway, tow it to shop. No crank, windows not working, found blown fuse 125A. Car runs, windows work. Check all around to see if i could find reason why it pop the fuse and can't find anything wrong. Check...
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2004 GMC Sierra 2500 HD SLE 6.6L Left Front Brake VIN: 1GTHK29284
This truck was just towed back for the same reason it came in for a few days ago. The left front wheel is siezed up. When it first came in, the wheel was sticking and totaly freed up when I removed the caliper. Is there another reason this brake will stay on o...
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2004 GMC Sierra 1500 4.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2GTEK19V64
This vehicle is back again with a leaking #3 injector on hot soak. There is no problem with the passenger side injectors. Why does #3 injector keep getting affected? The #3 injector is closest to the fuel line that comes from the fuel tank. Is dirt coming from... Trouble codes: P0300
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1999 Oldsmobile Intrigue GL 3.5L No Start VIN: 1G3WH52K2X
hi guys, no crank no start every few weeks, has a b2960 key error. I was leaning tward the ign lock cyl. but its very expensive. since i cant duplicate it, iam asking for help? has anyone seen this fixed with the new lock cyl? is there any way to reprogram th... Trouble codes: B2960
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1987 Pontiac Fiero SE 2.5L Backfire VIN: 162PE11R8H
Pulled the car in and it would not go 5 mph without terrible backfire and misfire. Removed the spark plugs and replaced with AC delco, no more misfire but car still backfired. Sprayed vacuum lines and throttle body with brakeclean and around bottom are of thro...
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2002 Pontiac Grand Prix SE 3.1L Cuts out VIN: 1G2WK52J42
I'm thinking PCM. Trouble codes: P0230 (Fuel Pump Comtrol Circuit), P0650 (Malfunction Indicator Control Lamp Circuit)
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2003 Saturn Vue 3.0L Cuts out, Stall VIN: 5GZCZ53B23
Ok this one is racking my brain so ty in advance for any help you guys or ladies can share, I have a 2003 saturn vue that dies while driving , mostly hot but not every time . When the car came to me it had dash lights flickering and no power steering we pinned... Trouble codes: P1629 (Theft fuel enable -incorrect/no signal)
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Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet Malibu 2.4L noise VIN: 1G1ND52T5X
Thanks to all who replied it was in fact the combo switch i just took it apart and cleaned the grease out put new grease in thanks agen now i don't have to here my wife complain anymore.
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2003 Chevrolet Silverado 1500 5.3L No Start, Stall VIN: 2GCEC19TX3
Thanks for the quick responses! I just started back at square one and checked all my grounds again with the truck running to see if I could make it act up. While I was shaking the harness and ground strap on the rear of the engine it died. Started it back up a...
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2005 Chevrolet Suburban 1500 Z71 5.3L audio VIN: 3GNFK16Z35
Thanks Ron, Rob, and Dan. It was in fact an amp. Unfortunately in a fit of poo brain I forgot to capture the scope pattern out of the head unit to the amp. Unlike the others mine was not covered in sticky goo. Thanks guys...
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2007 Chevrolet Aveo LS 1.6L Alternator VIN: KL1TD56677
sorry about not getting back to you sooner, we installed a new alt and then went on vacation for a week. [...] the ladie that owned the car when we got back and she said it is working just fine. thanksfor all of your help
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