Powertrain
generic / SAE
P023F
Fuel Pump Secondary Circuit/Open
Open circuit on the secondary fuel pump (transfer/lift pump). Pump cannot be driven.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number2 / 3F
Possible causes
- Wiring break high
- Pin pushed back out of connector body low
- Cracked solder joint inside the module or sensor low
Symptoms
- Check engine light on
- Hard start, no start, or stalling under load
- Power loss especially at high load or rpm
- Possible long cranking time
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 80–600 €
- Estimated time: 0.5–3 h
- Component: secondary fuel pump
- Component: pump wiring
- MIL / check engine light
- emissions-relevant
- limp mode possible
Sources
References
sae:J2012