× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
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

Reflashing old Chevrolet PCM
05/20/2018 in the Technical Discussion Forum
[Driveability: 95 Chevrolet Blazer LT 4.3L] Have an old 1995 T-Blazer that needs the calibration updated. It is a 'half-year' vehicle according to what I can find out. Has an OBD 2 connector, and a VCM in it, with removeable knock module. Client wants th...
Idle Misfire Running Compression Test
05/20/2018 in the Technical Discussion Forum
I have this vehicle in with an extremely long backstory which I will add in an update to this post. Vehicle has 168,000 miles and came in for overheat and MIL on. Codes of interest P0300, P1258-cylinder over temp protection. P0300 FF showed 61,000 misfire...
Analog Volt Meter
05/20/2018 in the Technical Discussion Forum
Before Digital Meters were available I always use a Simpson analog volt meter for checking excessive current draws using the volt scale.One has to know the full scale current that the meter has in whatever volt scale he is using. Say the meter uses 500 ma...
A poll: Stupid, unintended consequence, or perfectly fine?
05/19/2018 in the Technical Discussion Forum
[Engine: 13 Ram 1500 ST 4.7L] This overheating Dodge had my attention for a while. It would cool just fine for ten or twenty miles, but would then creep up to 240+, and it made no difference to slow down, speed up, idle, run it in a lower gear, you just ...
Duramax P0495
05/19/2018 in the Technical Discussion Forum
[Driveability: 16 Chevrolet Silverado 2500 HD LT 6.6L] A good friend of mine has a 2016 Duramax, after he installed exhaust system delete and aftermarket air filter obviously with a programmer (I know we should not do this but can't stop other people fro...

Automotive Sponsored Discussion Forums