× 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: 86 Nissan 300ZX high CO
Posted to Emissions Forum on 3/24/2005 8 Replies

[...trimmed text...]

Your cylinder head temp voltage is too low. Is the engine really that cool? That is right on the threshhold for allowing closed loop operation. The O2 sensor output is meaningless on these vehicles wi... Login to read more.

8 Replies Received (View Replies)