× 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: High HC @ 50/15 only
Posted to Emissions Forum on 7/30/2015 4 Replies

John

Cylinder pressure. When the car is loaded the throttle is slightly ahead causing a slight increase in pressure and raising cylinder temperatures where HC is reduced, but look at NO it is up. When the load is reduced (25mph) the normal free wheeling cond... Login to read more.

4 Replies Received (View Replies)