it has a crank shaft position sensor which could possibly be bad its located on front of motor next to crankshaft pulley
No of cranks used in 6 cylinder engine
If the engine cranks & cranks & cranks before it starts even though it's warmed up already.
Check engine compression Check engine timing
No, The compression test is done as the starter cranks the engine
Engine cranks but doesn't start.
An engine which cranks but will not start is not receiving enough fuel or has no spark. A clogged fuel filter or bad spark plugs often cause this problem.
"Check Engine" light comes on when you turn ignition switch on and should go off when engine cranks.
The engine needs fuel, compression and spark to run, it is missing one of those.
fuel filter... or throttle body
Sounds like you might have a bad starter relay.
The 2012 Ford Explorer has a V6 engine.
The 2011 Ford Explorer has a V6 engine.