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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for November 16, 2011
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Open Help Requests for GM
Help Request Answers
1998 Buick Century Custom 3.1L Poor Fuel Economy, MIL Lamp on
hello gang!!! i have a 98 buick cetury,3.1 engine, has code p0172 (rich) and code p0446 (evap vent problem) it gets bad fuel milage, i have seen on here that a bad ftp sensor can cause p0446 (it already has a new vent selonid) ftp pid is at 4.3 volts koeo, fue... Trouble codes: P0172, P0446
2005 Chevrolet Uplander LS 3.5L fuel guage VIN: 1GNDV23L55
Hello, I have 05 Uplander that came in for customer stated the vehicle wouldn't start, he says he came out in the middle night the horn would honk and the side door would be open on its own. We found a bad battery and replaced that first, but never experenced ...
1999 GMC K1500 Suburban SLE 5.7L Intermittent Charging VIN: 3GKFK16R2X
This 99 Suburban is very frustrating. It will charge just fine for a while, and then the charge light will come on, and the voltage will drop as the battery starts discharging, then it goes back to charging - charge/discharge/charge/discharge, etc. I have veri...
1992 Oldsmobile Cutlass Cruiser S 3.3L No Start, Cuts out VIN: 1G3AL54N6N
This ciera has been acting up for a few weeks now.intermittent stall like someone shut the key off.would always start right back up.it never did it in my possession! the other dayshe calls me to tell me it's becoming more frequent,and that she won't drive it a...
2003 Saturn L300 3.0L ABS controller VIN: 1G8JW54R13
OK- just bought from auction. ABS light on constantly- trans delayed going into gear-drivers seat inop [dont think related]. scanned/found: p0601-memory error, p0604-ram error, p0716-input sensor circut range, p0717-no/low turbine sensor signal, p0752-shift so...

Fixes & Summaries for GM
Fix/Summary Answers
1999 Chevrolet Blazer 4.3L T Case VIN: 1GNDT13W0X
I purchased a new transfere case switch to just try it, as I suspected it did not cure problem. Removed and inspected encoder motor and found it all corroided. Replaced motor and now the transfere case shifts properly but the auto 4wd light is alway on, will n...
2003 Chevrolet Silverado 2500 HD 6.6L Cranking time
Well, Thanks a lot for all the help and suggestions. Especially the one about the fuel filter housing seal kit. After much checking and use of clear tubing, the rubber hose from the filter to the engine was allowing it to suck air. This hose was not even wet o...
2009 Chevrolet Equinox LS 3.4L computer monitors VIN: 2CNDL13F09
Thanks to all replies. Ended up driving the vehicle for 1,100 miles and re-did the 18 step monitor reset proceedure (without scanner) before O2 monitor reset. Only needed 1 monitor to pass NYSE. Still had EGR code but was able to get NYSE sticker with 1 monito...
2004 Pontiac Grand Prix GT2 3.8L blower VIN: 2G2WS52234
This car is fixed. When I read Bills message about tapping the blower motor, I finally had a chance to do that when I picked up the car to recheck it. The blower finally didn't start and when I bumped it, it took off. I did replace both the motor and module an...
2005 Pontiac GTO 6.0L Poor Idle Quality, MIL Lamp on VIN: 6G2VX12U25
Thanks to all who replied.After checking for loose /crimped wires, vacuum leaks,aftermarket intake & air filters & all other suggested possible issues,and not finding anything, we determined that throttle body must be bad. Unfortunately body shop decided to le... Trouble codes: P0121 (Throttle Position Sensor or APP Sensor 1 Problem), P0507.
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