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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 21, 2007
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Open Help Requests for GM
Help Request Answers
1954 Chevrolet 3600 235CID signal lights
Hello friends,we have a special request from one of our customers.We have his 54 chev 3600 pickup in the shop for some winter tlc.He is tired of trying to remember what way to use his arm for signals.He has decided to get into the state of art modern type of s...
1998 Chevrolet Blazer 4.3L security VIN: 1GNCT18W7W
Intermitten start and stall security light flashing, sometimes will start and run but security light will stay on. Scan computer system P1631,B2960. I have read T.S.B. for B2960 code and checked torque and connections on connector C211 and pass-lock sensor- ap...
2005 GMC Sierra 2500 HD SLE 6.6L Hesitation, Stall, MIL Lamp on VIN: 1GTHK29215
this problem all started after changing fuel filters and oil and filter as part of the routine up keep.the customers complaint was intermittent mil and lack of power.as soon as the light goes out truck runs perfect.hooked up scanner pulled codes po299 po401 po... Trouble codes: P0299, P0401, P0404

Fixes & Summaries for GM
Fix/Summary Answers
2001 Cadillac DeVille DTS 4.6L instrument cluster VIN: 1G6KF57911
Fellow techs. Many thanks for the replies. Although this vehicle was starting fine, I tested the battery and it failed the load test. Replaced battery and connected the cables together as suggested. Started the vehicle and the cluster came alive!! Thanks for t...
1999 Chevrolet S10 LS 4.3L MIL Lamp on VIN: 1GCCS19XXX
Hi everybody & sorry for the delay.The cam retard problem was the distributor,i replaced it & that fixed the problem.As far as the ftp & egr sensor & couldn't find any problem,but i told the customer to take the truck to the dealer to program the ecm for the e... Trouble codes: 404 (egr feedback voltage out of range), 452 (fuel tank pressure sensor low or shorted).
2002 Chevrolet Astro 4.3L Hesitation VIN: 1B7GL22X8S
plugged converter! Removed 02 sensor and it had lots of power.
2004 Chevrolet Aveo 1.6L Mechanical VIN: KL1TD52674
thanks every one. share information with customer. indeed she drive only few miles. clean cap.she start a new job 30 minutes drive oneway. let us see what happen.thanks again.
1999 GMC Jimmy SL 4.3L Passlock ID VIN: 1GKDT13W4X
Thanks to all for the great information and websites. I am quickly finding out what a wealth of knowledge is available on this site, truly outstanding. THANKS!!!
1993 Oldsmobile 88 Royale 3.8L No Start, Stall VIN: 1G3HN53L3P
everything i have checked is normal, pin voltages, security, changed ignition module, cam sensor and crank sensor, vehicle will start and run for a few min. and will die like you turned off the key and will not restart until you turn the ignition to the off po...
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