P1548Engine air filter restricted
- Ford code · Engine
- How the car detects it
- At various engine speeds and at full throttle the measured air flow stayed below what the engine computer expects, which points to a restricted intake. Ford's advice is to inspect the intake and, if nothing is blocking it, replace the air filter.
- Likely causes
- PossibleClogged air filter
- PossibleSomething blocking the air intake
- Sources
Backed by at least two independent sources.
From Obdaryn's Ford pack, exactly as the app shows it, with the public sources above. Guidance only; confirm with a workshop.