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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 28, 2008
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Open Help Requests for GM
Help Request Answers
2000 Chevrolet Astro 4.3L Misfire, MIL Lamp on VIN: 1GCDM19W4Y
Vehicle has misfire on cylinder 4 & 5, fuel trims reading very high (+50 STFT/+8 LTFT on Bank 2, close to normal on Bank 1). My feeling is that I have an injector clogged on Bank 2. The O2s will go rich if I stab throttle (900mv), but go very lean at idle, and... Trouble codes: 300 (Random Misfire), 121 (TPS reads Low)
2003 Chevrolet Monte Carlo SS 3.8L MIL Lamp on VIN: 2G1WX15K52
Hey there fellow Techs. I am in need of help. This Monte Carlo came in the other day for an inspection. It had a check engine light, so I started checking it out. P0410 is what I found, so I first checked all the TSBs, and found one that said water was getting... Trouble codes: P0410
1997 Geo Tracker 1.6L engine VIN: 2CNBJ1363V
has no power runs hot sometime

Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet Silverado 1500 5.3L security sys VIN: 2GCEK19T8X
Thank you all for your assistance in this repair. We found out that this vehicle had been partially under water. We ended up replacing the BCM and had it reprogramed at the dealer, MAF, both catylitic converters, flushed the transmission, and had to remove a...
2001 Chevrolet Monte Carlo SS 3.8L Compressor, PCM VIN: 2G1WX15K31
Sorry for the delay in closing this, I thought I had closed it the same day the car was fixed. It was the BCM, replaced it and the a/c system is now working fine. Thanks to all that have replied, I will remember this one for the next one that comes in.
2003 GMC Sierra 1500 SLE 5.3L gear box VIN: 1GTEK19T93
Thanks for everyone replies. A few had mentions the TSB about replacing the steering shaft, after reading the TSB I know that wasn't the problem. I'm certain the gear box was the cause of the vibration and noise, but the customer declined the work.
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