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2003 F150 4.6 compression problem

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Old

Jun 17, 2019 | 06:39 AM

#1

larrywms

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2003 F150 4.6 compression problem

Hello. All four cylinders on bank 1 are about 150 psi. All four cylinders on bank 2 are about 110 psi. What's going on? I suspect something with cam chains. It's also in "limp mode".

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Old

Jun 17, 2019 | 08:04 AM

#2

alloro

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It would seem the timing chain for bank 2 has jumped a tooth.

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