P2541
Low Pressure Fuel System Sensor Circuit Range/Performance
The signal of the low-pressure fuel sensor does not match the expected value during operation. Pressure does not rise as expected when the lift pump is commanded.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Common causes
Ordered by how often each turns out to be the cause.
- Sensor driftCommon
- Clogged fuel filterPossible
- Sensor element aged beyond calibration windowLess likely
Parts involved
- Low Pressure Fuel Sensor
- Fuel Pump
- Fuel Filter
P2541 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.