P2A6C

Alternative Fuel Rail Pressure Regulator Inlet Pressure Sensor Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Reduced engine power
Increased fuel consumption
Unstable engine operation
Check Engine Light Illuminates
Switching to emergency mode

Causes

Pressure sensor malfunction
Open or short circuit in the sensor circuit
Problems with the fuel pressure regulator
Contacts are dirty or damaged
Engine control unit malfunction

How to Fix

Check the integrity of the sensor circuit
Check sensor resistance and voltage
Clean or replace contacts
Replace pressure sensor if necessary
Check the operation of the fuel pressure regulator

Related codes

P2A6B P2A6D P2A6E