2012 Ford F-150: Loss of power while driving
Common wear/failure (not a recall)
Symptoms
Owners of the 2012 F-150 report: loss of power while driving. CarComplaints.com lists 30 owner complaints, average mileage 44,400 miles.
NHTSA has 488 owner complaints for the 2012 F-150 in this area. Examples:
- NHTSA complaint ODI #11671812 (filed 07/07/2025): “The cam phasers are in need of changing. ford has acknowledged they are aware of the problems with the 3.5 ecoboost engine but will not take responsibility and repair them. i definitely can not pay for this type of tepair…”
- NHTSA complaint ODI #11666719 (filed 06/13/2025): “The contact owns a 2012 ford f-150. the contact stated while driving 45 mph, the vehicle lost motive power. there was no warning light illuminated. the vehicle was towed to an independent mechanic, where it was diagnosed that the timing chain and valve had fai…”
Likely causes
Sources do not establish a single root cause; diagnosis is needed. Owner-reported fixes are listed below.
Fix, in plain English
Most common owner-reported solutions on CarComplaints.com: replace engine (3 reports) replace electronic throttle body (1 reports) replaced high pressure fuel pump (1 reports) tsb from ford (1 reports) tsb13-3-3 possible fix (1 reports). Check for open recalls and extended warranty coverage with a dealer before paying out of pocket.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
CarComplaints.com owners report a typical repair cost of about $2,300 (owner-reported average, not a quote).
Typical parts (search links, no affiliate codes)
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