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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

95 7.3 No Oil Pressure
03/19/2019 in the Technical Discussion Forum
Update on this for 7.3 diesel no start. So as I mentioned customer said after oil change it started and he ran for a while and then he put some other fuel in it which had some water in it and that’s when it quit and couldn’t get it to start again. Pu...
03/18/2019 in the Technical Discussion Forum
Trying to replace a central junction block. I installed the new one after identifying vehicle with SDD. Went to configure gateway. Cannot turn ignition on. Says wrong key. Anybody deal with this before?
Rear suspension upgrades for towing
03/18/2019 in the Technical Discussion Forum
[Chassis: 01 Chevrolet Suburban 1500 LS 5.3L] Good mourning Great Minds. This vehicle belongs to a regular who wishes to begin towing a 7000lb box trailer. He has been towing about 3500lb with no extras, not even brakes. The factory hitch says 7000lb ma...
ECU repair
03/17/2019 in the Technical Discussion Forum
[Driveability: 03 Cadillac Escalade 6.0L] Am looking for a good ECU repair facility to possibly repair the ECU on this 2003 Escalade that I have been struggling with. The problem is that the oxygen sensor monitor fails to set.
No Transmission Response When The Shift Level Is Moved To Either Drive
03/17/2019 in the Technical Discussion Forum
Hi, Please I need the electrical diagram for the ECU, TCM and Electronic brake system control module for the above vehicle. It has a loss of communication with most of the module but my major concern is with respect to the brake system control module...

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