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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

instrument cluster flickers
12/11/2018 in the Technical Discussion Forum
[Electrical: 13 Ram 1500 Laramie 5.7L] The Ford dealership used car manager next door brought this truck over to me. The complaint is the center section of the dash flickers. The truck does not have to be running to do this. If I turn on the headlights, ...
VW/Audi crankcase pressure log
12/11/2018 in the Technical Discussion Forum
I've recently started working on a lot of VW/Audi vehicles, and one thing I've found frustrating is that I haven't been able to find any specifications on acceptable crankcase pressures. PCV valve failure seems to be common, and all of them have been revi...
2006 Taurus No Start
12/11/2018 in the Technical Discussion Forum
[Electrical: 06 Ford Taurus SE 3.0L] 2006 Taurus comes in with a no crank no start. Scan all modules and can not communicate with the PCM, but can with the RCM, ABS, IC, and GEM. The IC (Instrument Cluster) shows me a communication code of U1900-20, (CAN...
Hvac
12/10/2018 in the Technical Discussion Forum
No control head operation.
Mostly just for fun
12/10/2018 in the Technical Discussion Forum
So a friend of mine has a welding shop, and they build Rat Rods and other cofaculations for themselves, and occasionally for customers in addition to their normal welding/fabricating stuff. My buddy's personal ride is a 1950 Buick 4 dr. The front and rear...

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