P01C1
Fuel Rail Pressure Sensor Circuit High Bank 2
Generic OBD-II
Real-world scan data
Seen in
46
scans in the past year
Found in
<0.1%
of scans
<0.1%
of scans that found faults
Figures reflect only diagnostic scans recorded through our own apps and tools. Cars are typically scanned because a symptom or warning light prompted it, so these counts describe our scan records — not the incidence of faults in any model, and not the quality, reliability, or safety of any vehicle. No comparison between manufacturers or models is implied. All trademarks belong to their respective owners; no affiliation or endorsement is implied.
Common symptoms
What you'll notice
- Check the wiring and connectors related to the fuel rail pressure sensor circuit in Bank 2.
- Inspect the fuel rail pressure sensor for any signs of damage or malfunction.
- Check the fuel pressure regulator for proper functioning and adjust if necessary.
- Inspect the fuel injectors in Bank 2 for clogs or malfunctions and clean or replace if needed.
- Check the fuel pump for proper pressure delivery and replace if necessary.
Common causes
Most likely first
- Faulty fuel rail pressure sensor
- Wiring or connection issues in the fuel rail pressure sensor circuit
- High fuel pressure in bank 2
- Faulty engine control module (ECM)
- Issues with the fuel injector in bank 2
How to diagnose & fix
Work through it in order
- Engine misfires or runs rough
- Decreased fuel efficiency
- Hesitation or lack of power during acceleration
- Rough idle or stalling
- Check Engine Light (CEL) illuminated
Read & clear P01C1 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.