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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

Ground location
04/24/2018 in the Technical Discussion Forum
[Electrical: 06 Jeep Commander 3.7L] I'm embarrassed to ask but can someone tell me where the G200 ground and S204 are located on this vehicle. I've searched Mitchell and Identifix electronic manuals and called Identifix with no luck. I've also taken the...
06 Chrylser 300, Bucks, Jerks On Acceleration. No Comm Codes
04/23/2018 in the Technical Discussion Forum
Hello all, want to make sure I’m covering all my basis before condemning the ecm. This car came in bucking and jerking on acceleration, occasionally you can get it to stall if you power brake the engine. No codes in ecm. U1000 codes in all other modu...
Water Pump Refresher Course
04/23/2018 in the Technical Discussion Forum
Something that I haven't really considered in recent Subaru related overheating issues in Tech Help and Tech Discussions. And it applies to all water pumps, impeller clearance and design. For me, I learned a long time ago monitoring the rate of temp chang...
2004 Subaru Forester Hard start Cold and Stall
04/23/2018 in the Technical Discussion Forum
[Driveability: 04 Subaru Forester XS 2.5L] I have this regular customers 5 spd forester (199K) in the shop. Its giving me fits, I service tons of these all the time and we are the local dealer alternative so I am now a little humbled to be asking for an ...
VVT noise ?
04/22/2018 in the Technical Discussion Forum
[Engine: 12 Dodge Journey SXT 3.6L] Before I go into this engine I need some advice . This engine has a noise upon start up , hot idle and when you shut the engine off . I removed the accy. drive belt and no change in the sounds. When you raise the rpm a...

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