P2A7D

Alternative Fuel Hydraulic Pressure Sensor Circuit High

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Unstable operation of the engine using alternative fuel
Increased fuel consumption
Problems with switching between fuel types

Causes

Hydraulic pressure sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in sensor connectors
Problems with the alternative fuel system control unit
Contamination or damage to the hydraulic system

How to Fix

Check the continuity of the pressure sensor circuit
Check sensor connectors and connections
Test the pressure sensor with a multimeter
If necessary, replace the pressure sensor
Check the operation of the system control unit

Related codes

P2A7C P2A7E P2A7F