OBD Guide

P2A72

Alternative Fuel Hydraulic Fuel Pump Select Valve Control Circuit Low

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine Light Illuminates
  • Problems with switching between fuel types
  • Reduced engine power
  • Unstable engine operation
  • Inability to use alternative fuels

Causes

  • Open or short circuit in valve control circuit
  • Solenoid valve malfunction
  • Poor connection in connectors
  • Wiring harness damage
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check valve control circuit integrity
  2. Check the resistance and operation of the solenoid valve
  3. Inspect connectors and connections for corrosion or damage
  4. Check control circuit voltage
  5. If necessary, replace faulty components

Related codes

Error P2A72 by Vehicle Brand