Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 13, 2008
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
2002 Buick Rendezvous CXL 3.4L ses+security messages VIN: 3G5DBO3EX2
hey gang,this is the 1st time iv'e dealt w/ class2 data faults, need some help here, Iv'e got ses+ security messages toggling back+ forth on the small message screen in instrument panel, When watching my vertronix "Mastertech" the communi. code#s U1000+ U1064 ...
1999 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 2GCEK19T8X
The truck seems to run fine, but the MIL lamp is on. My scanner is very basic, but it pulls codes well. This vehicle is not "throwing" an ECU code. What I receive is a message: ISO 4191. --In spite of the fact that my scanner says no codes exist, I can clear ...
2002 Chevrolet Astro 4.3L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 1GCDM19XX2
Vehicle will not start up again...has spark, fuel pressure good. When cold, will try to start, rough idle and dies immediately. Only code comes up is PO101...tried a reman. MAF , problem still same. tried wiggling and jiggling wires,no good...sure some of you ... Trouble codes: P0101

Fixes & Summaries for GM
Fix/Summary Answers
1995 Buick Roadmaster 5.7L Lighting VIN: 1G4BN52P5S
as many of you said the problem was a ground issue the car had a new engine in it installed by another shop after fixing many broken wires and finding all the grounds that were not installed all is good thanks iatn
1991 GMC K2500 Sierra SLE 7.4L lifters VIN: 1GTGK24N8M
hi people, the first overhaul on this 454 was done completely. crank turned .010 under, bored .010 over valves done and height adjusted for torque down rockers. the plugs in lifter oil galleries behind t chain where replaced with out the holes in them. all pus...
1997 Pontiac Grand Am SE 3.1L Hesitation VIN: 1G2NE52M8V
Thank you all for the responses I did as michael suggested and un plugged the knock sensor and the car ran fine Replaced it and everything works well Never thought a knock sensor would retard the timing that far and only up to about 3/4 throttle Larned a ne...
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next