2020 Ford F-150: Engine knock
Common wear/failure (not a recall)
Symptoms
Owners of the 2020 F-150 report: engine knock. CarComplaints.com lists 4 owner complaints, average mileage 37,850 miles.
NHTSA has 111 owner complaints for the 2020 F-150 in this area. Examples:
- NHTSA complaint ODI #11769954 (filed 10/08/2026): “The contact owns a 2020 ford f-150. the contact stated that after the check engine warning light illuminated on two occasions, the vehicle was taken to the dealer, where the catalytic converters were replaced under warranty. the contact stated that the check e…”
- NHTSA complaint ODI #11766891 (filed 09/25/2026): “Brought my 2020 ford f150 2.7l ecoboost in for mandatory emissions recall 24e12. vehicle had zero dashboard lights or performance issues prior. immediately upon completion of the pcm flash, the check engine light activated. when the truck was scanned i am now …”
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: ford as suggested a whole new motor (2 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
No sourced cost range: get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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