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  1. 2nd Gen F150 Ecoboost
    This doesn't always happen, but sometimes when I start it after sitting overnight a knocking noise develops after idling for 5 minutes but eventually goes away when it's driven and operating temperature has been reached. It has 29K miles and I always use 87 octane from Costco. My first reaction...
  2. 2nd Gen F150 Ecoboost
    For a while I've been researching why some 2nd gen 3.5s make a knock-like noise that resembles a diesel. Today I've come across a great video of a 2017 3.5 that sounded identical to a 2018 I filmed last year (I have the video in another thread). This guy mentions that all cam phasers were...
  3. F150 Ecoboost Problems
    Hey guys i have a 2014 EB with 13k miles and recently noticed a rattling noise coming from the drivers side when I accelerate slowly from a stop right around 1000 RPM. I can replicate the sound fairly easily in first and reverse. Brought it to ford and they said they couldn't hear anything. Of...
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