P2A6D

Alternative Fuel Rail Pressure Regulator Inlet Pressure Sensor Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

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

Causes

Pressure sensor malfunction
Open or short circuit in the sensor circuit
Oxidation of contacts in connectors
Problems with the fuel pump
Fuel pressure regulator malfunction

How to Fix

Check the integrity of the sensor wiring and connectors
Check the supply voltage and ground of the sensor
Test sensor resistance
If necessary, replace the pressure sensor
Check the operation of the fuel pump and pressure regulator

Related codes

P2A6C P2A6E P0087