Question about Ford Cars & Trucks
No --The purpose of the crank position sensor is to notify the ECM when the piston is in the correct position to create a spark for the cylinder.
regardless of the rpms of the engine, it sends a signal to the ECM and in the program of the CPU in the ECM and the ECM decodes to advance or adjust the spark after TDC ( the spark in relation to the ignition timing.)
High idle is cause by the idle speed sensor, MAP,MAV and VAF sensors . have the fault codes read a nd look for such a sensor fault.
Posted on Nov 29, 2014
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Posted on Jan 02, 2017
Manualy Drop it down if possible this happens to fords upon R&R of Mass Air Flo Sensor. otherwise Get Back With me I Like Mindblowers. thanx RejakWilson
Posted on Jan 21, 2009
SOURCE: I have trouble code p3016
What you have done so far is throw parts at your truck,
without vehicle knowledge.
If your going to work on your own vehicles ,spend the big
bucks at Helm.Com & buy the factory Powertrain Control/
Emissions Diagnostic Manual for year 2004 ford vehicles
You surely had to know as you proceeded, that all those parts
didn't fail at once & you tested nothing, to determine they were
in need of replacment.
Now you need to know why you have a PO316
Air,fuel,spark or vacuum leak.
Not easy to diagnose if you don't work at it for a living
Posted on Sep 16, 2011
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