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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

No visible leaks, but air getting into hydraulic system
10/02/2025 in the Technical Discussion Forum
[Brakes: 13 Dodge Dart Limited 2.0L] So here is the history. We replaced the master cylinder with a new one because the brake pedal was soft and there was air in the system in all 4 wheels. The original master cylinder was leaking from the back side into...
intermittent symptom(s) w/ unusual DTC combo
09/29/2025 in the Technical Discussion Forum
[Driveability: 11 Hyundai Accent GS 1.6L] Hello iATN, this vehicle arrived following an incident where the vehicle was shaking while going down the road and the check engine light came on. The client recalled previous (since fixed) misfire symptom(s) and...
aged vehicle; long term thinking
09/29/2025 in the Technical Discussion Forum
[Body: 03 Chevrolet Corvette 50th Anniversary Edition 5.7L] Greetings iATN, Aged but loved car (and a dream car) - it may be in service for many years to come. Please give me your advice: Troubled with the window regulator cables, and GM discontinued the...
Voltage drop testing
09/29/2025 in the Technical Discussion Forum
Hello, IATN members. I recently reviewed a 50 minute U-Tube video by a very competent instructor who I won't name. He advised a testing procedure which under certain circumstances could yield erroneous results. I don't want to criticize him or anyone else...
Intermittent cruise
09/29/2025 in the Technical Discussion Forum
Hello, IATN members. Intermittent cruise on 2017 Dodge pick up 4X4. Vin decode won't pick it up. Vin [...].

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