× 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: Mysterious Phenomena Obvious Engine Problem
Posted to Technical Theory Forum on 3/13/2020 4 Replies


It looks like you only have 1 "valley" in the relative compression waveform because you only have one cylinder with ANY compression. Look at where the cylinder pressure goes negative, that's where both valves are closed (intake should close a... Login to read more.

Files Referenced:


4 Replies Received (View Replies)