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

	2009 Jeep Grand Cherokee 3.7 spark plugs 06/23/2018 in the Technical Discussion Forum [Driveability: 09 Jeep Grand Cherokee Laredo 3.7L] I feel really silly posting about this, but I really don't want to buy an intake manifold. I am helping dad change his sparkplugs and the coils will unbolt and lift up but the hardware is stuck in the i...
	any Portland Oregon shops have the Pico First Look Sensor 06/22/2018 in the Technical Discussion Forum [Engine: 97 Jeep Grand Cherokee Laredo 4.0L] We have a 4L Jeep we put a reman engine in. Running rough at idle, especially on cold start. After it warms it is still rough but tolerable. Has about 14hg with slight fluctuation warm, been over all the exter...
	Radio ribbon cable 06/22/2018 in the Technical Discussion Forum [Electrical: 09 Toyota Highlander 3.5L] Removed the radio/cd unit to remove coins from cd player. During the process the ribbon cable that connects the cd player to the radio was damaged. Dealer says not available separate. Does any know of a source for ...
	2005 Nissan Sentra 06/21/2018 in the Technical Discussion Forum Vehicle keeps coming back with water in the gas and the car dying on the customer while driving this has happened 2 times now in a month and always seems like it happens after a heavy rain.. i googled it and is a common problem with no fix i searched...
	Power Source Mode Not Change 06/21/2018 in the Technical Discussion Forum Hi I need a toyota expert or a technician who has passed this on. I have a 2016 Highlander in my workshop, the problem is that it does not turn on, when I press the power button does not turn on the green light on the button, the key fob battery is n...

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