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Re: 5.4 Ford 3-valve VVT issue
Posted to Technical Discussion Forum on 11/12/2010

If I recall correctly, that does look correct. The errors add up but tend to readjust and steady out rather quickly.

Still had that truck in the hold file, but only kept a capture of the failure.

Two days late, he was just in, the cat failed on B2. Login to read more.