× 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: HELP Please exhaust back pressure specs
Posted to Technical Discussion Forum on 11/27/2007 3 Replies

I don't think those specs are indicative of NO POWER. I've seen 6 to 7 psi at 2500 to 3000RPMs @ WOT on perfectly normal vehicles. Usually a 6 or 8 cylinder with 1 cat. Generally when I have no power, I find 10PSI or more on a no-load snap.

Given your low va... Login to read more.

3 Replies Received (View Replies)