× 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
Re: Tailpipe pressure during a misfire
Posted to Technical Theory Forum on 5/15/2020 16 Replies

Maybe i was not clear enough. The red trace is the ignition trigger for the cylinder with the ignition misfire. As the exhaust valve opens the high vacuum that was created from the lack of combustion enters the exhaust and can be seen as low pressure.

From w... Login to read more.

16 Replies Received (View Replies)