OBD-II code · Powertrain (generic)
P01C7 Fuel Pressure Sensor A Circuit Intermittent/Erratic
Intermittent signal from fuel pressure sensor A. 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 P01C7?
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 A, Sensor Wiring
Related codes
- P018EFuel Pressure Sensor B Circuit Intermittent/Erratic
- P01C4Fuel Pressure Sensor A Circuit Range/Performance
- P01C5Fuel Pressure Sensor A Circuit Low
- P01C6Fuel Pressure Sensor A Circuit High
- P01C8Fuel Rail/System Pressure - Too Low Bank 2
- P01C9Fuel Rail/System Pressure - Too High Bank 2
- P01CAFuel Rail Pressure Too Low - Engine Cranking Bank 2
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.