P01C2

Fuel Rail Pressure Sensor Circuit Intermittent/Erratic Bank 2

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Unstable engine operation
Power reduction
Increased fuel consumption
Difficulty starting the engine
Check Engine Light Is On

Causes

Damaged or faulty fuel rail pressure sensor
Open or short circuit in wiring harness
Poor contact in the sensor connector
Problems with the fuel pump or pressure regulator
Engine ECU malfunction

How to Fix

Check the integrity of the wiring harness and sensor connectors
Measure resistance and voltage at the sensor
Check the fuel pressure in the rail
Replace the fuel rail pressure sensor if necessary
Clear error codes and check if error is returned

Related codes

P01C0 P01C1 P01C3 P0190 P0191