OBD code P0020

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2007 GT FWD, Bose/NAV
Got my oil changed and a couple of days later the check engine light came on. Used an OBD code unit, because NAV shows no engine codes, and it gives me P0020. I know this is a generic code for a camshaft sensor, but The car exhibits no strange behavior. I cleared the code and it came back five days later. Any ideas?
 
I am sure you have also found this page thru google.
We have the Ford's engine, so I am guessing the error code should be consistent within Ford's.

http://www.justanswer.com/ford/2cm9a-ford-f150-5-4-code-p0020-keeps-coming-up-where.html

"Hello Chad, the camshaft position actuator is the device that sends oil pressure to an actuator located at the front of each intake camshaft, this system allows for variable cam timing and eliminates the need for an exhaust gas recirculation system. It allows for a certain amount of valve overlap at varying engine speeds to leave just a small amount of exhaust gas in the cylinder for the next combustion event. By doing this the combustion chamber temperature will reduce slightly and help control one type of tailpipe emmisions known as Oxides of Nitrogen. When the actuator has a fault or wiring to the sensor has a fault it will set this diagnostic trouble code. To pinpoint what has actually failed you must follow the workshop manual diagnostic pinpoint test, which I have attached for you. Diagnostic code p0020 is for the actuator on the drivers side of the engine (BANK 2), the actuator you will be testing is protruding through the drivers side rocker cover."
 
Nissan Altimas were known for bad camshaft & crankshaft position sensors cuz they were made of plastic. Later, Nissan put a metal cap on the sensors when they re-designed the sensors.

Wonder what the difference is between a position sensor and a position actuator?
 
Since a rocker cove would be hard to spot on this engine, as closed as it is, I will look for some sort of 4 pin connector and wiggle/clean it.
 
So I took the car into a dealer here in August and they diagnosed a faulty oil pressure sensor (underneath plastic cover on engine). I ordered the sensor and two other types of gaskets from a dealer in the states and the shop here replaced them for me today. Parts were $130 and labor/diagnostic was 119 Euro (3 hours charged). The engine check light has stoppped coming on and all seems to be well.
 

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