P054F
Idle Control System Fuel Quantity Higher Than Expected
Same as P054E with actual fuel quantity above the model - high friction, sticky throttle, or accessory drag.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Engine friction higher than expectedCommon
Parts involved
- Idle Control Strategy
- Fuel Metering
P054F is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.