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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 28, 2012
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Open Help Requests for GM
Help Request Answers
1989 Cadillac Allante 4.5L Excessive Emissions VIN: 1G6VR3182K
Vehicle came in for state emission test failure on HC and NOX. I found multiple misfires due to shorted injectors. Replaced two injectors that were ohming out at less than 3 ohms. After repair, vehicle ran good and passed pretest. Vehicle returned a week later...
2000 Chevrolet Impala 3.4L Battery drain
Customer complains of dead battery after 3-4 days. Have checked for draw with all modules sleeping, can see all modules go down and draw go to 24 milli amps. Customer said the other day he got in and the car would not start but had dash lights, he unlocked the...
2004 Chevrolet Impala 3.4L 1-2,2-3,3-4 Shift Sol. VIN: 2G1WF52EX4
Hi iatn members, i have a 2004 chevy impala with a dtc, p1811, and hard shifting. We over hauled this tranny for the same concern, tested all solenoids, replaced torque converter, even though, tranny was in good shape internally, no worn out parts found, no si...
2006 Chevrolet Express 1500 4.3L Airbag light on VIN: 1GCFG15X46
first of all I need to check all the wires are good to the PPS module but I dont even know where the pps module is. does anyone know where the PPS (passenger presence system) module is. Anyone know how to tackle this problem??
2005 Pontiac G6 3.5L shift operation VIN: 1G2ZG52845
The only code is for a tcc lockup. We dont get into a lot of transmissions, so we are just looking for a little direction. The customer drove twenty feet to a stop sign out of her driveway. With no warning no noise it just neutraled out when she started to acc...
2009 Pontiac G6 2.4L Abs Tcs Ecm VIN: 1G2ZG57B69
Car sets following codes EBCM: c0561 "system Disabled" (I know,it's an FYI code) U 2105 lost com w pcm U 2107 Lost Com w BCM U 2106 Lost Com w TCM U 2143 Lost com w steer Angle sensor these are history codes the C0561 comes on as a "current" code until I ...

Fixes & Summaries for GM
Fix/Summary Answers
1989 Cadillac Seville 4.5L ignition lock cylinder VIN: 1G6KS515XK
thanks to everyone that replied , we did do the resistor idea but had no luck. After replacing the broken key cylinder we still could not get this car to start even though the resistance values matched. This car has had everything replaced on it it seems and t...
2000 Chevrolet S10 2.2L Mechanical VIN: 1GCCS1954Y
Everyone had some good points about the oiling of the cam and oil pump drive. Both cams show no signs of being oil deprived and the cam bearings look ok. There was a slight difference in appearance between first and second cam bearings. Oil hole looks clear bu...
2003 Chevrolet Trailblazer LTZ 4.2L Stall, Strains on acc. VIN: 1GNDS13SX3
I thought that I had closed this request. The convertor was the problem. Replaced convertor and car ran fine. Cleared codes and as of now no codes or problems have reoccured. Thanks for the help. Trouble codes: P0172.
2004 Chevrolet Aveo LS 1.6L no 4 shift VIN: KL1TJ62604
Thanks to all who responded,especially to Paul from Oklahoma and Bradley from Tennesse. After your advices,it was simple to resolve the problem I had.The spark plugs were the culprit,I replaced it and the codes were away.A small thing can be a big problem.ATN ...
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