It sound like a belt or idler. Have replaced belt tensioner and idler pulleys to no avail.
intermitten squeek in engine. on 2002 Ford Ranger
have you repl belt? could be camshaft syn at rear of eng. very common its at rear where diat use to be
Yes, also replaced idler and tensioner with pulley
What engine u got?
Gregs answer #1 but you need to get your mechanic to install the complete crank angle sensor as it has to be in sync.