Powertrain
generic / SAE
P008A
Low Pressure Fuel System Pressure - Too Low
The low-pressure (lift pump) fuel pressure is below the expected value. Insufficient supply to the high-pressure pump leads to power loss and possible HP pump cavitation.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / 8A
Possible causes
- Fuel filter clogged high
- Lift pump weak or failing high
- Leak or air ingress in low-pressure line medium
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 50–800 €
- Estimated time: 0.5–4 h
- Component: lift pump
- Component: fuel filter
- Component: low pressure sensor
- MIL / check engine light
- emissions-relevant
- drive cycle required
- limp mode possible
Sources
References
sae:J2012