Tech Tip: Fuel Trims Confirmation of a VCT Problem
March 24, 2015
What’s one way to confirm a cam-timing problem on a V-engine? Instructor Ron Bilyeu shows how to use fuel trim data to diagnose a timing issue on a V-engine with a manifold air flow sensor, and how to use vacuum data to evaluate a V-engine with a manifold absolute pressure sensor.
In this program, instructor Ron Bilyeu will cover the Variable Valve Timing System, look at the problematic areas of cam timing, and how to diagnose and repair these valve timing systems