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Buying Guides

How to shop for used auto parts — what to ask, what to look for, and how to avoid common pitfalls.

Ford F-150 3.5 EcoBoost Cam Phaser Rattle: Repair or Replace the Engine?

F-150 3.5 EcoBoost rattling on a cold start? What causes cam phaser failure, which years are affected, repair costs, and when a replacement engine makes sense.

October 6, 20267 min read