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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 2, 2006
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for GM
Help Request Answers
1993 Buick LeSabre Custom 3.8L Starts & dies VIN: 1G4HP53LXN
Vehicle came in with a simple starts & dies complaint & says Check eng. light comes on(at times)when it does start.Normally I would just sell him an IAC solenoid. But there are history codes for TPS voltage high AND O2 sensor rich. So I look at scanner data to...

Fixes & Summaries for GM
Fix/Summary Answers
1989 Chevrolet S10 Blazer Sport 4.3L No Start VIN: 1GNCT18Z7K
OK, deep breath here. Thanks to everybody who read or responded to my help request. Rusty from MASS was 1st out of the chute. Michael from North Calif/Robert from MASS/Ken from North Calif/Jervis from NC all had the same 37 sec. diagnosis. Edwin from NY knew I...
1996 Chevrolet Caprice Classic 5.7L trans shifting VIN: 1G1BL52PXT
thanks for all the help info. 1 reply almost hit it on the money. the key was that the codes did not match for the car. found out that the pcm was not the original but was out of a 6 speed donor car instead of an automatic. had pcm reprogammed and out the door... Trouble codes: P1652, P1664.
1997 Chevrolet Corvette 5.7L climate control VIN: 1G1YY22G9V
Thanks for all your help guys. Pulled mode door motor and operated by hand. At first it seemed like every other time before. But after about twenty times opening and closing with my fingers the blend door for the driver side once it hung up about 3/4 closed . ...
1997 Chevrolet C1500 5.7L rear brake lights VIN: R3V1567807
After a lot of searching and listening to very good suggestions from our I.A.T.N. members,I have to say that this one is repaired.I found where the white wire was going to the upper brake lite as the others were disconnected,and cut the wire to the light at th...
1998 Chevrolet Lumina 3.1L parking/brake lights VIN: 2G1WL152M2
The culprit of this car problem is turn signal switch as it controls the tail lights, brake/signal and hazzards lights. Thanks for all the help from this great IATN team members./Charles.
2001 Chevrolet Blazer LS 4.3L SAI and monitor woes VIN: 1GNDT13W51
After 4 or 5 days of the customer driving the truck, it came back. I scanned the monitor readiness and the cat monitor finally ran but the secondary air and evap did not. The evap is being suspended by the secondary air. Through the Tech 2, I forced the evap t...
2004 Chevrolet Trailblazer LS 4.2L torc convertor VIN: 1GNDT13S34
A week later the vehicle came back with a service engine lite on. PO 410 code which ended up being a froze up smog pump. Ended up replacing the smog pump which fixed the PO 410 code. Then I started to check the trans. chatter or skip. Through the IATN members ...
1995 Oldsmobile 88 Royale LSS 3.8L cruise is not workin VIN: 1G3HY5216S
manually control where ok, pcm ok wiring ok, the new servo from gm was defectove, not opening vaccum solenoid, first time that i have a defective part, it is allways good not to thrust even a new part. thank you everyone for your time and help. i replace for... Trouble codes: P1565 (servo position failure).
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