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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 30, 2012
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Open Help Requests for GM
Help Request Answers
1998 Buick Park Avenue 3.8L Message Center VIN: 1G4CW52K8W
thanks to all in advance, in Jan we installed new oil pan and oil level sensor. The oil pan was badly dented in. Now the customer states that when they start the car.The message center will display low oil level.In testing it does do this when car has sat for...
2003 Buick LeSabre Limited 3.8L Drivability VIN: 1G4HR54K63
Customer complains of a slight surge or pulling-back feeling when cruising. It happens with or without cruise on. When the cruise is on it will cancel when this happens and a track control message displays. It has set a code C1288 for the steering angle sensor...
2001 Chevrolet S10 4.3L Misfire, MIL Lamp on VIN: 1GCDT19W91
This truck has engine miss on cylinder 1, this is the only cylinder that shows to be misfiring. It has good compression, good fuel pressure (65 psi), good spark and the injector waveform looks fine. I can't figure it out. Has anyone out there run into this be... Trouble codes: P0300
2002 Chevrolet S10 LS 4.3L No Start VIN: 1GCDT13W62
Engine sits for awhile cold or hot, key needs cycled a few time to build pressure or engine will just crank, crank, crank. Fuel system won't hold pressure on gauge, and gauge and test line is not leaking. As per above test results, replaced with updated fuel m...
2002 Chevrolet Suburban 1500 LT 5.3L Starter Relay VIN: 1GNFK16Z82
Vehicle came in after no start/no crank. All lights, systems, etc seem to be working properly except no crank. Checked voltages, fuses and wiring. Starter Relay is not receiving voltage/signal to activate relay and complete S terminal circuit. If pin 30 & 87 o...
2004 Chevrolet Silverado 1500 5.3L no Drive VIN: 2GCEK19T64
I Have this 03 silverado with a 4L60. Customer replaced rear differential after replacement theres no movement in drive. Truck has no movement in drive or 3rd but if I put it in first or second it does. Reverse works fine. If I put it first and manually shift ...
2006 Chevrolet HHR LS 2.2L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 3GNDA13D66
This thing is driving me crazy.I think its the computer but Im not convinced.This thing will misfire on cyls,1-4 and next time it is 2-3.Heres the crazy part.When you start it and it doesnt matter hot or cold,if it misses it wont stop till you shut off and res... Trouble codes: P0300
1988 Oldsmobile Cutlass Supreme Classic 5.0L Washer Pump Cover with Circuit Board VIN: 1G3GR11Y4J
Hi everybody. Looking for a washer wiper motor cover with circuit board with pulse for this vehicle. GM part number is [...]. I have googled and been in contact with at least 10 places whose websites offer it and say in stock, but they really don't have it ...

Fixes & Summaries for GM
Fix/Summary Answers
2006 Cadillac SRX 3.6L Mechanical VIN: 1GYEE63746
Replaced all chains,tensioners,guides. Engine quieter and initially had a bunch of cam position codes upon start up, but after clearing codes none returned but haven't driven it enough to set any monitors. Couple of questions arose though. Could not clear c...
1998 Chevrolet Blazer 4.3L Engine VIN: 1GNCS13W3W
Thanks to all the talented people who have come to my help. Thanks also to IATN for providing such a great service. I borrowed another shops smoke machine (Snap On has an outrageous price on them. I am considering buying one from Matco) and found vacuum leak...
2001 Chevrolet Tracker ZR2 2.5L Cuts out, Stall VIN: 2CNBJ73481
Followed the advice of Rich from Michiagan. Removed the battery cables(cables were in horrible condition) and tied them together for 20 minutes. Then replaced the battery cable ends, cut back on the cable to remove the corrosion. Cleaned out the throttle body,...
2005 Chevrolet Impala 3.4L No Start VIN: 2G1WF52E25
ok this car is gone.what got me was ibought a aftermarket switch,the frist one would not take the relearn procedure,so i put a second switch on it belive it or not it cranked and started right up ,cut car off went to put trim back on the switch locked up on th...
2006 Chevrolet HHR LS 2.2L Poor Idle Quality, Surge, Misfire VIN: 3GNDA13D66
Well im sorry for not closing but I cant seem to be able to update post more than once.so Im closing and opening another.my other info should have been in the original post.This thing will miss only when you start it.If it doesnt miss you can drive across the ... Trouble codes: P0300.
2004 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GTHK29184
thanks to everyone for the help. We decided to try an injection pump but turned out to not be the problem. At this point the engine was half apart and we were finally able to get somthing on the injector return flow from the heads and measure the return rate. ... Trouble codes: P1621 (Control Module Long Term Memory Performance).
1956 Pontiac Star Chief 5.2L axle seal VIN: K856H68530
Thanks for all the responses. I ordered a set of axle bearings that were of the sealed type. When I changed them, the seal was on the outside of the old bearings, which meant that I would have had to replace them any way. There was no groove on the new bearing...
2003 Saturn Vue 3.0L No Start VIN: 5GZCZ63B33
I wanted to wait to close this one, because I was not sure about the repair. Following the P1629 test in Mitchell and one of the first steps was to scan for voltage. Our Genisys would not communicate with the BCM. I was not sure if it was our scanner or the ve... Trouble codes: P1629 (Theft deterrent fuel enable signal not received).
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