× 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: '91 Olds cutlass Ciera High NOx
Posted to Technical Discussion Forum on 9/12/2006

[...trimmed text...]

There is no EGR system. A misfire can be other then an ignition misfire. I'll check the spray pattern today.

Login to read more.