× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 19, 2012
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for GM
Help Request Answers
1997 Buick Park Avenue 3.8L Climate Control VIN: 1G4CW52K1V
This car has a dual climate control system, and I can't control the passenger side temp. When it came in it had a B1341 in the control head and I replaced paassenger temp control motor. I don't get the code, but I can't control the temp. On the scan tool It sh...
2000 Buick LeSabre Custom 3.8L No Start VIN: 1G4HP54K9Y
This is another nightmare. We received this vehicle from one of my fleet customers. It's a daily driver by numerous people. When you get in it and put the key in the ignition you may have to turn the key a dozen times before it will actually crank. We scanned ...
1989 Chevrolet K3500 Silverado 7.4L Excessive Emissions, Poor Idle Quality, Cuts out VIN: 1GCK34N6KE
Hello, I will try to make this long story short. Truck belongs to a local boatyard. The timng chain broke, he sent it over to a guy that owes him money for his boat. The other shop replaced the timing chain and replaced the cylinder heads with some heads the b... Trouble codes: 44 (lean exhaust)
2004 Chevrolet Monte Carlo LS 3.4L Speedometer VIN: 2G1WW12E64
2004 monte, erratic speedometer readings shows 110 mph when doing 50, or shows 25 mph when doing 50 shutting off and on the ignition switch about 10 times did correct it but after a few days back to the erratic again
2004 Chevrolet Impala LS 3.8L Stall VIN: 261WH52K64
this car came in starts and stalls iac was low replaced iac adjusted iac to 18 at idle key on iac at 66 as soon as it starts cranking drops to 0 and stalls put your foot in it a little and stays running. sometimes it only drops to 1-3 and will come back to 66 ...
2004 Chevrolet Malibu LS 3.5L cruise control VIN: 1G1ZT54814
Customer complaint is that cruise quits after he drives it 15-20 minutes.He says it will not reset untill he shuts car off for awhile.He did notice that the cruise light in the dash goes out right before cruise quits.Without spending alot of time trying to dia...
1999 GMC Yukon SLT 5.7L No Start, Cuts out, Stall VIN: 1GKEK13R1X
Hello to all, We have this problem child Yukon that has had an extremely intermitant stall for the past 2 years that has now gotten to the point where it happens 1 time a week and my customer would like to fix it. I have only had this truck stall 1 time for me... Trouble codes: P0141 (O2 b1s2), P0161 (O2 b2s2)
2009 GMC Acadia SLE 3.6L Poor Fuel Economy VIN: 1GKEV13D79
when vehicle was new till about a year ago the highway mileage was about 16-18 mpg average.now the avg. mileage is about 11-12 mpg. even after the dealers service. their response is, "that's normal." any ideas would be appreciated. note- all dealer work was do...
1999 Pontiac Sunfire SE 2.2L Misfire VIN: 1G2JB1244X
cuts out above 4000 rpms begins to misfire and then blind up like clogged cat but back pressure is good/fuel prssure is with in specs and has good flow
2009 Pontiac G6 GT 3.5L starting VIN: 1G2ZH57N59
Vehicle stalled while driving. Customer stated gauges went nuts and then died. Odometer reads error and scan too will not communicate. I have 61 ohms from pin 6 to 14 on DLC. I did find some fuses showing 6 to 7 volts in the fuse block. Is this a common item t...

Fixes & Summaries for GM
Fix/Summary Answers
2002 Buick Rendezvous CX 3.4L starting VIN: 3G5DB03E12
the owner did not have a second key, so had a new key made and programmed. so far no problems. thanks guys for all of your input.
1997 Cadillac DeVille d'Elegance 4.6L power seat VIN: 1G6KE52Y8V
memory module above gas pedal-obselete through gm-found used through scrap yard-power seat ok now-thanks to those who took the time to reply
1988 Chevrolet S10 Blazer Sport 4.3L Right Rear Brake VIN: 1GNCS18Z6J
First off, Thanks to all who responded with suggestions. I'm going to call this a fix because after a 23 mile test drive with moderate to heavy braking I did not detect any abnormally hot temps at any of the brakes. When the cust returned we removed both meta...
1991 Chevrolet S10 2.5L Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy VIN: 1GCCS14A6M
Thanks to all who replied. All the sensors were reading right and i had the right fuel pressure. Turns out the cap and rotor were bad.
2006 Chevrolet Suburban 1500 Z71 5.3L gauges VIN: 1GNEC16Z46
Sorry for long time to close.Ended up replacing battery.Finally got cust.to leave vehicle with us for a day or 2.battery tested good when charged.but low in am.retested draw 4 m/a.After batt. replaced all is good.
2007 Chevrolet Equinox LT 3.4L reduced engine power VIN: 2CNDL73F97
This vehicle ended up requiring a throttle body assembly which repaired the problem. Thank you to all who replied. Trouble codes: P0121 (TP Sensor/APP Sensor), P2119 (Throttle Closed Position/performance), P2135 (TP Sensor 1-2 Correlation).
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next