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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

Lower oil pressure after oil sensor replacement normal?
05/27/2020 in the Technical Discussion Forum
[Engine: 11 Chevrolet Silverado 1500 LT 5.3L] Hi folks, Have one here just did a repair replacing the oil sensor (P0521). Sadly it was an aftermarket but at the time I could not get a dealer sensor in a timely manner. Anyways, customer is concerned that ...
CRANK - START - DIE
05/26/2020 in the Technical Discussion Forum
[Electrical: 10 Dodge Ram 3500 Laramie 6.7L] I only get interesting vehicles. This truck had been sitting in the Mexican desert for several years and was then scooped up in an auction. It had been picked-over for parts, so the purchaser MacGyver'd it to ...
No crank, no start, no security light
05/26/2020 in the Technical Discussion Forum
[Electrical: 94 Pontiac Bonneville SE 3.8L] Thanks in advance. I don't normally work on these so I appreciate any insight. Towed in, no crank no start. Can jump the starter and it will start and run for about 2 seconds. I have looked into the Pass II ant...
EVAPORATOR CORE ON IMPALA
05/26/2020 in the Technical Discussion Forum
[HVAC: 17 Chevrolet Impala LT 3.6L] **vehicle came in for non working a/c, we did testing and found out that the evaporator core is leaking, it is a 9.2 hour job to replace evaporator core, does anyone have a faster way of getting core out?, what about a...
Misfire with a self fulfilling prophecy
05/26/2020 in the Technical Discussion Forum
[Driveability: 13 Dodge Durango SXT 3.6L] This Durango is going insane and taking me along for the ride. Basically what I have is a misfire due to reduced injector pulsewidth. [2013 Dodge Durango SXT, ECM/Inputs/Outputs Scan Data] I can flash program the...

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