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International Automotive Technicians Network

Automotive Technical Theory Forum

Professional automotive forum for discussion of the theory of operation for any automotive system or component. Discussions include electrical and electronic theory, engine propulsion theory, fuel system theory, ignition systems theory, and much more. This forum is for experienced automotive repair professionals only, membership required.

Continue to the description of our next automotive discussion forum, the Technical Tips Forum.

Recent Automotive Discussions in the Automotive Technical Theory Forum

Bank 2 cams not turning
01/12/2018 in the Technical Theory Forum
[Engine: 11 Porsche Panamera 4 3.6L] I have read about this, but my 1st one. Towed in, lots of codes. Tries to run on 3 cylinders. DME (Digital engine electronics) ( 11 ) Abnormal P1583 Sport mode not available P1023 Fuel pressure/quantity too low at st...
Preventative maintenance
01/10/2018 in the Technical Theory Forum
[Engine: 17 Chevrolet Suburban LT 5.3L] Hello fellow IATN members, I purchased a 2017 Suburban new one year ago for my wife. My question is what recommendations you might have to prevent carbon build up. I serviced it at 3,000 miles with 0w20 Mobil one o...
anatomy of a starter waveform
01/07/2018 in the Technical Theory Forum
Hello to all- My question to TTF began months ago. Here is the back story. During 2017 my business purchased another shop in town- gaining all of their previous customers- including bus work for some local school boards. So I went from the occasional filt...
08 Acadia Rear Clutch Module Question
01/04/2018 in the Technical Theory Forum
On this 08 AWD Acadia, we recently installed a new differential module as we could not communicate with the old on. All went well. After that, SI tells me to use my techII and enter the "ccm rds matching id" number found on the harness. No problemo. Found...
2013 Dodge Ram 1500 P0882, P0750 issues
12/29/2017 in the Technical Theory Forum
I am going to write this up for discussion. The truck is now fixed, but I am not sure about everything I saw going on while testing. The truck was sent to us from another shop with the transmission in limp mode. When scanned the truck had code P0882 TCM p...

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