OBD-II code · Powertrain (generic)
P018E Fuel Pressure Sensor B Circuit Intermittent/Erratic
Intermittent signal from fuel pressure sensor B. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
Is it safe to drive with P018E?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyConnector loose or corroded
- Less likelyConnector with intermittent contact under vibration
- Less likelyHarness routed against vibrating component
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
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Fuel Pressure Sensor B, Sensor Wiring
Related codes
- P01C7Fuel Pressure Sensor A Circuit Intermittent/Erratic
- P018BFuel Pressure Sensor B Circuit Range/Performance
- P018CFuel Pressure Sensor B Circuit Low
- P018DFuel Pressure Sensor B Circuit High
- P018FFuel System Over Pressure Relief Valve Frequent Activation
- P0190Fuel Rail Pressure Sensor Circuit
- P0191Fuel Rail Pressure Sensor Circuit Range / Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.