Question about 2005 Ford F-150

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I have a 2005 F150 5.4 litre. My oil pressure guage says the pressure is fine. Quite often, my truck simply just dies and the warning info. comes on saying I have low oil pressure ?? Could this be caused by a faulty Oil Pressure Switch or is there something else I shoul dbe looking at ? Any advice would be great as this is happening more and more all the time. My oil level is good and thetruck runs fine except when it dies of course !

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Hello, The oil pressure sender is a possibility. Testing the old one wouldn't be worth it as these parts are inexpensive. You may want to contact the Dealer with your Vin# about "Cam Phasers". It is also possible the "idle motor" ISO is letting the RPM drop too low which affects the oil pressure.

Back to the "Cam Phasers", for a few years on DOHC, double cam engines, as these parts wore there were problems with timing, noise and idle. These parts worked with oil flow. Since you are getting a low oil flow and a dying engine it would be good to have this part checked. It is important to use the correct oil and filter to maintain the function of the "Cam Phasers". There is an extended warranty for this problem which I believe runs 7 years.

Posted on Aug 21, 2010

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