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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 10, 2012
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Open Help Requests for GM
Help Request Answers
1995 Buick LeSabre Limited 3.8L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1G4HR52L4S
this vehicle continually sets code P0341, I've gone through the flow charts for code 341 and 342 with no help. I believe that I [...] have a wiring problem, but I have tugged and pulled and wiggled every wire on this thing that I can got to and I have found noth... Trouble codes: P0341 (cam/crank error)
2002 Buick Rendezvous CX 3.4L High idle VIN: 3G5DB03E62
Hi, i have 2002 buick rendezvous with a 3400 and the iac counts are like 130 - 150 and spec says less than 25 so i thought sticky iac and replaced it. No go idles around 2500 - 3000rpm and its only in park and when you start it up at first it idles fine then g...
2002 Cadillac DeVille 4.6L battery VIN: 1G6KD54Y42
vehicle wreckered in,battery was dead,charged battery,test good,found 5 amp draw from battery untill all fuses and relays were removed from rear(under seat)fuse panel.amp draw fell to zero,if you install fuse #2,3,5,25,38,62,63relay#45,46,51,58,one at a time a...
2003 Cadillac CTS 3.2L Misfire VIN: 1G6DM57N93
Cylinder 1 misfire most of the time, plug darker than the rest. The valve cover gasket has been leaking and filled #1 hole and swelled plug boot. Suspected voltage jumping. Tested compression 175 PSI, 3 and 5 cylinder same compression and no misfire on those c... Trouble codes: P0128, P0300, P0301, P0306
1996 Chevrolet Blazer 4.3L hard start - cold VIN: 1GNDT13W3T
Gentlemen This car was brought for a very hard/no start problem. Mostly after sitting for a time. We had to push it into the shop. As these are known for fuel pressure related no starts we checked the fuel pressure and found it was in the mid 40's. Knowing it...
2003 Chevrolet Trailblazer LTZ 4.2L Front Brakes VIN: 1GNDS13S63
This is one of the "from hell" vehicles that we all dread. Truck came in with fading brake pedal. I verified the master was bleeding by and installed a brand new unit, Cardone, bled the system and was told to install new rotors and pads all the away around. af...
2003 Chevrolet Silverado 2500 6.0L Hesitation, MIL Lamp on VIN: 1GCHK24U13
Truck came in with p0300 code and obvious misfires that were cleared up with plugs and wires. He came back about a month later saying its doing the same thing and the engine light came back on. I drove it after checking codes (p0101 and p0200) and it drove fin... Trouble codes: P0101, P0200
2003 Chevrolet Tahoe LT 5.3L electronic controls VIN: 1GNEK13Z73
this vehicle came in with compaint of 4wd stopped working. lights on switches all off. scanner gives "no communication" message when trying to access t. case module. communicates with all other modules. checked power and grounds to module, checked serial data ...
2005 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13SX5
This Trailblazer came in with the check engine light on. Customer wanted it checked out because she was thinking of buying it. The person selling it said nobody could figure out why the light was on. It had a code P0455. I commanded The vent valve on and off w... Trouble codes: P0420 (Cat efficiency), P0455 (Evap large leat)
2005 Chevrolet Silverado 2500 HD LS 6.6L Hesitation VIN: 1G45K563G5
Hey all durtymax tech i have a p1296 hard code in this durmax havent had alot of time to work on this one but it came in form another shop with poor run ablity and loud injector tick they thought it was faulty fuel injectors so they replaced all of the injecto... Trouble codes: P1296 (p1296 injector circuit high to low current transition time bank 2)
2007 Chevrolet Tahoe LTZ 5.3L Key Fob VIN: 1GNFK13087
The remote door lock and remote start will not work once the vehicle is left with the key off for about 4 minutes or longer. However, once the door is unlocked manually the remote will work again. In fact the remotes will work once any other vehicle function i...
2003 Oldsmobile Alero GL 2.2L security system VIN: 1G3NL52FX3
This vehicle was towed in and wouldn't start. Scanned codes and found B2960. I did the 10 minute relearn so that I could start the car and pull it in the shop. It started and ran fine. I replaced the ignition lock cylinder/housing assembly and key with GM part...

Fixes & Summaries for GM
Fix/Summary Answers
2005 Buick Rainier CXL 4.2L Monitors wont reset VIN: 5GADT13S05
You guys are the best. Within a half hour I was getting responses. While getting engine warmed up to take for a drive, I did as Dwayne form PA suggested. I commanded the evap purge with scantool and both monitors were ready. Dont know if that was the reason th...
2005 Buick LaCrosse CXS 3.6L radio VIN: 2G4WE537X5
It was the radio. After talking to the owner a lttle more she said the CD player had quit and it would try to eject a phantom CD. The Tech2 win. worked perfect with the MDI to program the radio from the special functions menu. No sps action was necessary.
2003 Cadillac Seville STS 4.6L draw VIN: 1G6KY54903
Well I have to let this go down the road for now removed half of fuses in rear fuse box and then the other half and there was no change. came back the next day and was going to start removing fuses in under hood box but the draw went away and is .030 amps. now...
1997 Chevrolet K1500 Cheyenne 5.7L Hard start VIN: 2GCEK19R8V
Thanks for all the input. We couldn't narrow it down to a particular cylider so we ended up replacing all injectors. Problem solved. Thanks again.
2001 Chevrolet Impala 3.4L No Start VIN: 2G1WF52E71
Thanks for all the replies. The majority of responses say yes it can be programmed with just the tech 2. The customer is happy to have the car running and can live with service vehicle message. I had one reply that said to try and fool bcm by installing a rela...
2005 Chevrolet Avalanche 1500 LT 5.3L rear end VIN: 3GNEK12Z45
Well t I took the cover off the rear end everything looked good so changed the oil with no additive so now just wait and see.Thanks for all the help
2008 Chevrolet Equinox LS 3.4L shifter VIN: 2CNDL23F78
Thanks to all those that replied Andy & Matt both nail it Brroke Wire & Coffee Spills
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