Powertrain
generic / SAE
P2540
Low Pressure Fuel System Sensor Circuit
The ECU detects a general fault in the low-pressure fuel system pressure sensor circuit. Without a valid signal the ECU cannot verify lift-pump pressure or fuel rail pre-pressure.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number5 / 40
Possible causes
- Defective low-pressure sensor high
- Wiring or connector fault medium
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 120–500 €
- Estimated time: 0.5–2 h
- Component: low pressure fuel sensor
- Component: fuel pump
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012