× 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: 99 Silverado 5.3 Misfiring
Posted to Technical Discussion Forum on 12/30/2004

This engine has good compression and no misfire until high load & rpms over 3300rpm. Idle and normal driving it runs perfect.

I'm relooking at fuel pressure and thinking over removing rail to check this am. LT trim on b2 (not problem side) is adding 20% @ cr... Login to read more.