× 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: 2,000 5.7 GMC loosing power
Posted to Technical Discussion Forum on 7/17/2002

[...trimmed text...]

Pulse width and Fuel trim changes on both banks along with cherry red manilfolds (lean?) would indicate a fuel related problem to me rather than ignition. Do you have a gas analyser? A sharp rise in H... Login to read more.