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Prev Professional Automotive Repair Technical Discussions for July 26, 2009
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Open Help Requests for GM
Help Request Answers
1994 Chevrolet Camaro Z28 5.7L Interior VIN: 2G1FP22PXR
help chevy guys this z28 keeps blowing horn and courtesy fuse aadata wont come up so no wiring diagrham thaks in advance for help jimmy
2004 Chevrolet Suburban 1500 Z71 5.3L Passenger Side HVAC Controller motor VIN: 1GNFK16Z04
Hi All: Just wanted to drop a note to the group before I dig into my AllData info to see if someone can shoot me a quick answer on the location of the passenger side HVAC controller motor on this Burb. This is the heater control valve, as they used to be call...
2004 GMC Yukon XL 1500 SLE 5.3L Pcm fuse 1 VIN: IGKFK16Z44
Thanks in advance for all the techs help. The vehicle is my next door neighbors and the fuse pcm 1 keeps blowing. I know the fuse feeds the pcu, the canister purge solenoid and the fuel module. Has anyone ever had this problem before? I called a friend at a lo...
1995 Pontiac Grand Am SE 2.3L tachometer VIN: 1NL48JFF89
i get a hertz signal from white wire that goes up with rpms voltage stays .765 volts, white wire comes directly from ecm and it shows it might tie in one place on diagram but doesnt say where, im going to try an analog rpm tester tomorrow, but would like to kn...
2003 Saturn L200 2.2L Transmission shifting VIN: 1G8J75N893
Need help from the Saturn gurus! What I have here is a 03 Saturn that when your driving down the road and floor the accelerator it will not shift until I let off the pedal some! It was diagnose as a internal transmission problem, so we replaced it. After test ...

Fixes & Summaries for GM
Fix/Summary Answers
2003 Buick Rendezvous CX 3.4L ABS RR wheel speed sensor VIN: 3G5DB03E33
Thanks to all that have replied. For those that suggested the harness be replaced as well were right on the money. Opened up the old harness, on the side that connects to the sensor, and found green corrosion all over the socket and into the wire (inside of th...
1997 Chevrolet Blazer 4.3L Misfire
The fix was a new dist. A new ign switch, Thanks to all that responed to the post. Thanks
1995 GMC K1500 Suburban SLE 5.7L Distributor VIN: 1GKFK16K0S
Many Thanks goes out to everyone who gave their input. A lesson well learned. When I realized just how poorly the vehicle was running initially, I should have informed the customer that there could be other issues involved other than just the other shops di...
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