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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for February 4, 2011
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Open Help Requests for GM
Help Request Answers
1991 Buick Regal Custom 3.1L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 1G4WB14T8M
Hello all! We had this vehicle towed to us. The customer says he was driving it one day and all of a sudden the vehicle died. Tried to restart and now its having problems. The car starts up fine but idles terrible. As soon as you try to give it throttle it die...
2003 Buick Century 3.1L Starting VIN: 264WSS2J33
hi all technicians,i have this buik not star,not spark at all,i replace crank sensor steel the same,module,check all grounds,i put scaner no codes at all,check compression 150 psi,thank in advance for any help.
1996 Chevrolet Impala SS 5.7L Misfire, MIL Lamp on
HEY GUYS, I,ve been working on this car for 3 days straight,even on my birthday.This one is really kicking my butt. Car came in for a N.J. state inspection.Check engine light was glowing.I pulled codes. The first one was a air pump code. No big deal,seized a... Trouble codes: P0410 (Secondary air pump problem), P0300 (Multi misfire), P0420 (Bank 1 cat. Efficity), P0335 (Crankshaft position senser problem), P0336 (Crank shaft position problem)
1999 Chevrolet Malibu 3.1L key phob VIN: 1G1NE52J4X
need to now how to program new key phobs,just got 2 new key phobs for this car (old ones lost).key phobs where bought at the dealer and a buddy tried to programm with tect 2 with no luck.I found directions on how to do it,the directions say to ground the recei...
2003 Chevrolet C4500 Kodiak C4C042 6.6L Stall VIN: 1GBE4E1143
Trying to help a friend who purchased this vehicle. New injectors and New ECM installed along with Old HP pump w/ new FPR. Also has a low pressure fuel pump installed to feed fuel to HP Pump. Truck starts and runs fine. Will run for a few minutes then just shu...
2004 Chevrolet Aveo 1.6L No Start VIN: KL1TJ62634
Had this puppy towed in for a no start, computer wasn't firing injectors, ordered up a new one, using tech2 I can't get the computer to accept the keys, tried an "experienced one - same thing, won't learn the keys. Any suggestions (aside from burnin it)?
2006 Chevrolet Impala LS 3.5L abs VIN: 2G1WB58K66
I gotta ask a quick question regarding a stored dtc #C0242 in this vehicle that doe not seem to relate to this vehicle. My OTC scan tool gave a quick "ABS module comm lost" but I can't find that DTC in Mitchell or Identifix. I googled it for fun and it came up...
2007 Chevrolet WORKHORSE 4.8L Excessive Emissions, Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: 5B4HPD2V17
Hi everyone, this truck has been a thorn in my side for months. It came here for a flash from another shop because they are unable to flash. I flashed it in november for a bulletin related to u codes and reduced engine power/ check engine lamp. Truck would go ... Trouble codes: U0107 (Loss of communication to tac module)
2007 Chevrolet Impala LS 3.5L disable VIN: 2G1WB58K57
I am just wondering if anyone knows if there is way to disable a tire pressure monitering system on a 2007 Chev Impala. I installed a muffler and noticed the warning light and the customer asked if i can turn off the system he does not want to spend money to r...
2011 Chevrolet express 3500 6.0L rear blower motor VIN: 1GAZGZFG6B
this express van has a weird problem. turn the ignition on and the rear blower motor will run on high, but the switch for it is in the off position. We are just trying to find a quick fix, thanks techs.
1994 Oldsmobile Cutlass Ciera S 3.1L No Start, Poor Idle Quality, Stall VIN: 1G3AG55M8R
This car will not run with alternator plugged up. Unplug alt and it starts and runs fine. Plug alt in and it will start and run very rough and die. Tried a reman AC/delco, same result, also found that with the battery charger hooked up it does the same. So bas...
2008 Saturn Vue Red Line 3.6L Cuts out, Stall, MIL Lamp on VIN: 3GSDLU3N58
Hello, The problem is a very intermittent loss of power/stalls out, CEL appears and code P2135 in history. Cleaned throttle body to no avail. Anyone else haveany experience with this. Symptom never occurs in the shop of course. Many thanks, Nick H. Trouble codes: P2135

Fixes & Summaries for GM
Fix/Summary Answers
1998 Chevrolet K2500 Silverado 5.7L Poor Idle Quality, Hesitation, Surge, Misfire VIN: 1GDCJ67R1X
Sorry for the delay with the fix, got sick in between. Many things were checked on this vehicle, cmp retard w/n spec - 0 degrees at idle, .3 - .6 degrees at 1500 - 2000 rpm. Regulator had already been replaced (with the updated injectors), cap and rotor was no...
2001 Chevrolet Monte Carlo SS 3.8L Misfire VIN: 2G1WX15K61
Hi folks, Thanks for all the help, the sending shop cut the car loose and returned it to their customer. We believe it had a slightly bent rod on # 6 cylinder. Just to fill in some blanks: The car arrived at our shop from another shop, which I later learned... Trouble codes: P0300.
2003 Chevrolet Trailblazer EXT LT 4.2L Pulls Right At Times VIN: 1GNDT13S63
after inspection of rear differental, axles. decided to try 4 new tires. this corrected the concern. the small different in tire was 3/8 in. the largest was 1 in. thanks iatn menbers bob
2008 Chevrolet Silverado 1500 LT 4.8L Dash Cluster VIN: 1GCEC14C08
A special thanks to all of you who responded to this message, due to having all power and ground supplies to the cluster, and no access to a Tech 2 scanner, and knowing my communication BUS line wiring was good, and all wiring supplied to cluster, we went ahea...
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