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Re: 5.4 variable valve timing
Posted to Technical Theory Forum on 1/24/2012

When the solenoids are off (idle) or disconnected the phasers should be at rest and locked by an internal latching pin. Off or latched is full advance. When they move, they are actually retarding the cams.

I'd look at the ADVERR PID at idle to see where it i... Login to read more.