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Prev Professional Automotive Repair Technical Discussions for February 17, 2011
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2002 Buick LeSabre Custom 3.8L Cuts out, Stall VIN: 1G4HP54K22
Hello all, Im having kind of a tough time with this car. Car stalls all times after cold start during warm up period. It happens when coolant temp is between 120deg. & 140deg. F. So far it has happened during ambient temps ranging from -10deg to 40deg.F. It wi...
2004 Buick Regal LS 3.8L clockspring VIN: 1NEW348K74
car came in with airbag light and no radio controls in steering wheel. clockspring was noisy so i thought it was a nobrainer put a new clock spring in and made sure it was centered before I pulled the lock out put back together and was making noise took the cl...
1998 Cadillac DeVille d'Elegance 4.6L Electronic VIN: 1G6KE54Y4W
Hello Techs, I am currently working on this Cadillac with no hvac control functions. The only functions i have is defrost. I checked for codes with solus and retrieved p1605 loss of hvac serial data. I located the hvac programmer under the passenger side dash ...
2006 Cadillac STS 3.6L No Start VIN: 1G6DW67786
We replaced the primary fuel pump asm. And the auxilliary fuel sending unit and fuel pump relay. Vehicle will not start but cranks over has no fuel pressure and code po627 keeps coming back after clearing it from ecm. Trouble codes: P0627
2008 Cadillac Escalade ESV 6.2L parking assist module VIN: 1GYFK668X8
How to force Parking assyst module to relearn the VIN?
1995 Chevrolet C1500 5.7L manual shift VIN: 2GCEC19K8S
HELP GM Tranny Techs. This 2wd PU came in with the shift cable broken. I replaced the cable and adjusted it. After install it seemed tighter than normal when going into or out of park. Customer said it had always been like that. Now 2 weeks later it is back an...
1999 Chevrolet K1500 LS 5.7L Starting
HELP, i just had this truck towed in for no start,i checked it out and it would not turn over so i replaced the starter and the damaged ring gear. when i was done i went to start it and all it would do is start and die. it has a code p1626. i tried to relaern ...
2003 Chevrolet Trailblazer LT 4.2L Transfer case VIN: 1GNET16SG3
1/28/11 came in for four wheel drive not working. We replaced damaged gears,sleeve,thrust washer,bearing in the right housing.After test driving, the encoder motor brake would not hold. It was replaced with a dealer part.It left with the four wheel drive worki...
1995 GMC K3500 Sierra SL 5.7L Cuts out, Misfire, MIL Lamp on VIN: 2GTFK29K15
Hi, i am working on a 1995 GMC 3500 5.7 TBI auto trans. It has a repeated dtc 42. With set timing connector disconnected truck will run to 2300 rpms then start to misfire then pop back thru tbi. With Set timing connector together it will barely run at all. Ive... Trouble codes: 42 (IC control error)
1995 GMC C1500 Suburban 5.7L No Start VIN: 1GKFK16K6S
hey all i have this vech towed to me has fuel pressure and no spark its has a new coil cap and rotor wires etc i cked for power to coil and showes 12v tryed a distributor and still no spark there is no pulse signel ecm was also replaced by cust i cked the grou...
2000 GMC Safari SL 4.3L No Start VIN: 1GTDM19W0Y
When customer brought this van to me it had 2 rods gone i jump started the van and drove the van ito the shop. when you do this you lift the van off of the front suspension and the wiring harness goes with it i did not unplug the crank sensor but removed it wi... Trouble codes: P336
2004 GMC Envoy SLE 4.2L brakes VIN: 1GKDT13S94
The vehicle continues to make a noise and release the braking (fades) when the speed is lower than 10 MPH. The scanner shows the right front sensor to be a little lazy to activate and first to fall off (down to 3MPH on the scanner)when braking, but is in line ...
2006 GMC Envoy XL Denali 5.3L MIL Lamp on, Mis-fire VIN: 1GKET16S26
Good morning tech's: 2006 GMC Envoy XL 4.2L inline six cylinder.(not a Denali) came in with CEL. Ran codes with SOLUS-Pro scan tool. DTC-P0300 is the one I can't solve. I have a intermittent misfire on cyl # 4 & #6. I replaced all six spark plugs. Still had t... Trouble codes: P0300 (Cylinder misfire), P0171 (P0463- sending unit ckt A high input.), P0463 (sending unit ckt A high input.)
2007 GMC Acadia SLT 3.6L MIL Lamp on VIN: 1GKEV33777
This Acadia sets a P0017 bank 1 exhaust camshaft correlation code within the first minute after a cold start. This is a consistent fault during each cold (overnight) start. Have scanned cam data and all numbers look good during multiple road tests. I can comma... Trouble codes: P0017 (Crankshaft position to exhaust camshaft position correlation bank 1)
1996 Oldsmobile Cutlass Ciera 3.1L MIL Lamp on, stuck in 3rd gear VIN: 1G3AJ85M8T
Vehicle blows 10 amp in the glove box that powers up transmission shift solinoids, egr valve, o2 sensor heater, evap purge valve. It has blown this fuse 6 times in about a year, it seemed to be worse when it was fridged cold when they would first start it. I h... Trouble codes: P0102, P0135, P0140, P0758, P1406, P1651
2007 Saturn Outlook XR 3.6L Misfire, MIL Lamp on VIN: 5GZER33737
Vehicle stopped in drive cylinder # 2 engine misfire..track/ stability lamp illuminates. Off idle driving vehicle runs perfectly check engine light off and track light off.all new gm spark vacumn leaks..swapped coil packs same problem Trouble codes: P0302 (Cylinder 2 misfire)

Fixes & Summaries for GM
Fix/Summary Answers
1990 Chevrolet Lumina Euro 3.1L convertor VIN: 2G1WN54T8L
Hi guys, We disconnected the plug at the tranny and have driven it on the highways at the speed limits for several miles(35). There were no problems and the temps stayed low. As I said before on the up-date, I have done this before but I remember clipping ...
1998 Chevrolet K1500 Silverado 5.0L No Start, Cuts out, Stall VIN: IGTEK14M7W
First, thanks to all who took time to reply. Second, had some reply s suggesting look at what we already had done. Third,turns out that this had been an ongoing problem with this truck all winter. Young employee burned up trans while boss was away on vacation,...
2007 GMC Sierra 2500 HD Classic SL 6.0L Electronic VIN: 1GTHK29K87
thanks to all that helped. I did have to reprogram this transmission control module wich is in the transmission its self. was able to program via tis to web site. car is down the road and shifting great.
2003 Hummer H2 6.0L Ride Control VIN: 5GRGN23U63
Well, apparently Snap On dealers and equipment specialists read IATN. An Ontario equipment specialist contacted me by phone and had my regular dealer here on Tuesday of this week. Despite their heroic efforts, they were unable to set the trim height using the ...
2007 Pontiac G5 2.2L high idle VIN: 1G2AL15F07
I must say that this is the first time I have gotten responses which were of no help at all. I thank you all for your input but please read the entire post before posting replies. The vehicle is throttle by wire. The ECM does a great job compensating for th...
2003 Saturn Vue 2.2L Drive VIN: 5GZCZ33DX3
Did some Saturn surfing,checking the performance forums as well. No good ideas on replacement trans that wouldn't exceed the value of the vehicle. Customer is selling "as is".
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