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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

Jeep 2.4 Tigershark Multi Air system
07/12/2025 in the Technical Discussion Forum
[Engine: 16 Jeep Cherokee Sport 2.4L] Hello, I have this 2016 Jeep 2.4 engine that came in from an auction. There is no doubt the head has been off etc. When we got this engine it would spin with zero compression. Thinking that this was just the Multi Ai...
2022 F150 stays in trailer mode
07/12/2025 in the Technical Discussion Forum
Any time I hook up a trailer, after unhooking the truck thinks trailer is still connected, turn signals blink like bulbs are out. After installing factory Trailer brake controller worked fine for 2 years and then started this. Have Forscan and used it to ...
Ford ignition coil
07/11/2025 in the Technical Discussion Forum
[Driveability: 07 Ford F-150 XLT 5.4L] I went to replace a # 6 ignition coil for this engine today and was given a choice of ignition coils . One # was a Motorcraft coil DG511 or a Motorcraft coil DG521. The 511 was designated w/a black coil boot and the...
Add Korean Language to New Lexus
07/11/2025 in the Technical Discussion Forum
Picking up a new 2025 Lexus ES350 UL next week. Any of you guys know if it is possible to add Languages to the display that didnt come with it? I know lexus has the Korean language in Korea and asia, but not sure if it can be added by the dealer here in t...
work around for parasitic draw problem
07/10/2025 in the Technical Discussion Forum
Hello, IATN members. Sometimes a parasitic drain problem can become very problematic, labor intensive to isolate, and module(s) to correct it might not be available, or cost prohibitive. Is there a reasonable work around for this situation? Yes, there is....

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