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F150: HelloWe operate a Used car dealership and sold a 2006…

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Hello We operate a Used car...
Hello
We operate a Used car dealership and sold a 2006 F150 to a customer who brought it in complaining of cam phaser issue. We replaced the cam phasers and timing chain and multiple other items. Now the vehicle is put back together and runs great when run cold but when it warms up starts shaking. Took it to the ford dealer and they diagnosed as low oil compression and recommended an engine. Can you help!
Submitted: 3 years ago.Category: Ford
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Answered in 4 hours by:
6/17/2015
Ford Mechanic: HDGENE, Ford Senior Master/Diesel/Trans replied 3 years ago
HDGENE
HDGENE, Ford Senior Master/Diesel/Trans
Category: Ford
Satisfied Customers: 6,761
Experience: 28 years Auto experience, Ford ,GM, Chrysler, Asian & European
Verified
Good morning, usually low engine oil pressure causes issues with the phasers. So long as the engine timing chain was installed and timed correctly and it still has low compression it depends if it is a valvetrain or piston/cylinder concern which can be tested by doing a dry and wet compression test. These engines are known for valvetrain issues once they get a lot of miles on them as well as main thrust bearing engine wear for the low oil pressure system
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