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Prev Professional Automotive Repair Technical Discussions for December 29, 2010
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Open Help Requests for GM
Help Request Answers
1991 Chevrolet R1500 Suburban Silverado 5.7L Not Sure VIN: 1GNEV16K1M
When cold, trans operates perfectly. As vehicle warms up you first get slippage in reverse, then in all gears, then the vehicle will not move. Takes about 5 minutes. If you let it cool off, trans returns to normal operation until it warms up again. Would seem ...
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1992 Chevrolet K1500 Silverado 5.7L Poor Fuel Economy VIN: K3N1205835
Have a 1992 Chevy K1500 5.7 liter in need of a thottle body reseal kit to many choices to pick from online.Any GM Techs.know of qaulity sources for purchasing thottle body kits / Injector / air induction / intake parts.Customer dosent mind spending the money j...
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1994 Chevrolet Camaro Z28 5.7L starter VIN: 2G1FP22P4R
Didnt know if anybody has seen this problem before, but this Camaro keeps breaking starters.. We are on the third starter now. The starters last about a month, and then come back with the nose broke off. Any help or ideas would be appreciated. Thanks
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1999 Chevrolet K3500 5.7L No Start VIN: 1GCHK33R1X
Hi fellow tech i have a real ghost problem with this truck thanks for the help in advance, well this truck was brought to me for a no start. I started by trying to hear if the pump was coming on did not hear nothing and tested for spark had no fuel and no spar...
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1999 Chevrolet Tahoe LT 5.7L Poor Idle Quality, Misfire VIN: 1GNEC13RXX
Cust came in with complaint of running rough, and having to keep their foot on the gas to keep vehicle running. codes where p0300, scanned misfire data and found #5 and #7 with multiple counts. Pulled plugs and both looked as though they were running very rich... Trouble codes: P0300
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1999 Chevrolet Malibu 3.1L Surge, Misfire VIN: 1GDC1XTJ1Y
So I started to assist one of my coworkers with this car after he had replaced the intake manifold gaskets and the upper plenum (gaskets were leaking coolant, plenum cracked). This is a 1999 3.1L Malibu, and this surge when returning to idle was present before...
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2004 Chevrolet Blazer LS 4.3L Mode Door VIN: 1GNDT13X04
1 year ago replaced all doors in the plenium. everything worked good after that fast forward 1 yr later same problem the door for the defrost/ floor is broken again. I am doing it free this time so I need to know why this would happen twice any ideas or past e...
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2006 Chevrolet Impala LS 3.9L keyless VIN: 2G1WC58146
GM techs help! I have a weird one here. Car came in with complaint of when you try to auto start (lock then start sequence with factory auto start), vehicle opens the trunk. A year and a half ago the keyless entry stopped working so the receiver was replaced a...
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2006 Chevrolet Equinox LT 3.4L No Start, MIL Lamp on VIN: 2CND163F06
Hi Y'ALL! 2006 Equinox was towed in and wont crank found bcm code U2105 not much info. Was able to use starter relay under hood and get to start w/key on. I had code p0230 fuel pump circuit problem. Haven't seen that come back w/engine running. The mil light s... Trouble codes: U2105 (Loss of pcm/ecm to bcm), P0230 (Fuel pump control circuit), P0480 (Low fan control circuti), P0645 (A/c control circuit)
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2010 Chevrolet malibu ltz 2.4L MIL Lamp on VIN: 1G1ZE5E01A
This car intermittently driving down the road will display in the message center that traction and esc control systems need serviced and check engine light will flash, then they all will go off. when we check the pcm for codes there will be a p0107 stored and ... Trouble codes: P0107
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2000 GMC Jimmy SLT 4.3L Front Axle Solenoid VIN: 1GKDT13W6Y
This vehicle had been a nightmare. We have replaced the encoder motor due to no operation. The Tccm has been replaced previously at another shop. The Front axle control solenoid has no operation even when commanded with the tech 2. We have found the lack of a ...
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2004 GMC Yukon XL 1500 SLT 5.3L Cuts out, MIL Lamp on, Engine Overheat Msg VIN: 1GKEC16T54
The message center will display, "Stability System Disable" then "Engine Overheated". Vehicle goes into limp home mode and runs with a lack of power. Coolant temp gauge on cluster will go full hot. Sometimes the gauge will drop right back down and vehicle canc... Trouble codes: P1258 (Engine Coolant Over-Temperature - Fuel Disabled)
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2004 Pontiac Vibe 1.8L No Start VIN: 5Y2SL62824
I have a 2004 Pontiac Vibe 1.8L with a no start. I started by checking for codes and found none (but I did have communication). Next I checked to see if it had spark, it did, about 16Kv's. Then I checked to see if it had injector pulse and it did. So then I ho...
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2009 Saturn Aura XR 3.6L park/running lights VIN: 1G8ZX57749
Vehicle came to me from a body shop friend, who asked me to fix the running lights. Vehicle had minor passenger door damage that was repaired. All running lights were inop front and back. Found blown fuse in trunk fuse box. Fuse blows as soon as you turn on ru...
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Fixes & Summaries for GM
Fix/Summary Answers
1979 Buick LeSabre 5.7L paint code
found riveted to the firewall to the left of the brake booster and down
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1994 Cadillac Eldorado 4.6L Fuel leak VIN: 1G6ET1291R
thanks to everyone for the advice no luck finding a good fuel rail aftermarket or ebay instead just removed and replaced the cracked fuel line retest no fuel leaks customer was happy with the repair thanks again . happy new year!!!
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2003 Chevrolet Silverado 1500 4.8L ignition switch VIN: 1GCEC14V63
Sorry everone it took me a few days to reply.The crank fuse was blown.I must have shorted it during testing.Sometimes the simplest things is the easyist to miss.
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2007 Chevrolet Impala LS 3.5L P/S Pump VIN: 2G1WB58K79
I'm calling this one fixed(?). I replaced the pump with oe and even used GM fluid. I asked thecustomer to come back in a couple of weeks for me to verify fluid condition and for any air.In the mean time he went to a quick lube and they. topped off fluid tellin...
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1996 Pontiac Firebird 3.8L MIL Lamp on VIN: 2G2FS22K2T
Vehicle and/or owner have not returned or even called... maybe it fixed itself. We did replace the PCM so maybe it was the culprit afterall. Many thanks to all that replied, it was obvious that most researched the schematics of how this system operates and m... Trouble codes: P1441 (Evap flow detected during non purge event).
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2002 Pontiac Grand Am SE 3.4L No Start VIN: 1G2NF52E72
Sorry for the delayed post. The cam sensor was opening when the engine warmed up. Then the thing would not start till it cooled off. Thanks for the help guys. Trouble codes: P2965.
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2006 Pontiac G6 3.5L Steering VIN: 1G2ZG52875
We replaced the steering module with a new unit from the dealer and the steering work as it should. But why oh why do they do this is beyond me?. Thanks everybody and Happy Holidays.!!
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