Question 1

Integrated Wheel End (IWE) grinding on 4x4 models

Accepted Answer

On 4x4 F-150s the vacuum-controlled IWE hubs can partially engage when the vacuum system leaks or the solenoid fails, causing a grinding or clicking noise from the front wheels, especially when accelerating from a stop. Common on 2009-2014 trucks and can wear the hub internals if ignored.

Question 2

Misfire under load from intercooler condensation (3.5 EcoBoost)

Accepted Answer

On 2011-2013 3.5 EcoBoost trucks, condensation can collect in the intercooler in humid weather and get ingested under hard acceleration. The result is stumbling, misfires, a flashing check engine light and sometimes limp mode. Ford released a revised air deflector and a PCM software update.

Question 3

Timing chain stretch on the 3.5 EcoBoost

Accepted Answer

First-generation 3.5 EcoBoost engines (2011-2016) are prone to timing chain stretch, usually heard as a rattle for a few seconds on cold start, along with a check engine light and cam/crank correlation codes (P0016-P0019). Left unrepaired, the chain can jump timing and damage the engine. Typically appears around 80,000-120,000 miles (130,000-190,000 km).

Ford F-150F-150 12th Gen

Known issues and common problems

Ford F-150F-150 12th Gen

Known issues and common problems

Integrated Wheel End (IWE) grinding on 4x4 modelsat 130000 km · 1 solutionsMedium

Misfire under load from intercooler condensation (3.5 EcoBoost)1 solutionsMedium

Timing chain stretch on the 3.5 EcoBoostat 160000 km · 1 solutionsHigh