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International Automotive Technicians Network

Automotive Technical Discussion Forum

Professional automotive forum for all types of vehicle repair discussion that does not fit into one of our more specific technical forums. Discussions include both OBD and OBD2, engine performance analysis, diagnostic best practices, service information, vehicle standards such as J1962, J1939, J2534, OBD2 modes (e.g. MODE$06), ignition and fuel system analysis, alternative propulsion (e.g. hybrid, electric, natural gas), and more. This forum is for experienced automotive repair professionals only, membership required.

Continue to the description of our next automotive discussion forum, the Technical Theory Forum.

Recent Automotive Discussions in the Automotive Technical Discussion Forum

1967 Oldsmobile 98 Radio
07/21/2019 in the Technical Discussion Forum
I have a customer that wants an aftermarket radio removed and an original radio installed. The after market radio is hooked to 4 aftermarket speakers with 2 wires going to each speaker. The original radio only has power, ground and 1 terminal for the spea...
2008 Pontiac G6
07/21/2019 in the Technical Discussion Forum
Which site can i get good wire diagram for 2008 Pontiac transmission and and engine control system , I can\'t find it on my Demand5. Thanks in advance...
Silicone Contamination
07/20/2019 in the Technical Discussion Forum
I remember years ago when they developed O2 Sensor Safe RTV, but didn't realize and not sure to what extent silicone off gassing affects other electronics. I ran into an issue with a Subaru last week and someone graciously supplied me with this bulletin. ...
2007 Jeep Grand Cherokee 3.7 Wrong Crank
07/19/2019 in the Technical Discussion Forum
[Driveability: 07 Jeep Grand Cherokee Laredo 3.7L] [2007 Jeep Grand Cherokee Laredo, ECM/Inputs/Outputs Waveform] I'm pretty certain that my Jeep no start has the wrong crank can someone else verify this?
2020 Silverado Active Air Shutter Problem
07/19/2019 in the Technical Discussion Forum
Today, I looked at a 2020 Silverado with a MIL on at PDI. It had a 6.6 gas engine and auto transmission. Here is the code set screen. [Code Set] As you can see, P05AE was set current. The Silverado has 2 active air shutters, 1 and 2. 1 is on the top and 2...

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