OBD Guide

P2A82

Alternative Fuel Pump A Compression Stroke Valve Control Circuit High

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Difficulty starting the engine
  • Unstable idling
  • Check Engine Light Illuminates

Causes

  • Malfunction of the injection pump compression stroke valve
  • Open or short circuit in control circuit
  • Poor contact in connectors
  • ECU malfunction
  • Wiring Harness Problems

How to Fix

  1. Check valve control circuit integrity
  2. Check compression stroke valve resistance
  3. Inspect connectors and contacts for corrosion
  4. Check the operation of the computer
  5. Replace valve or wiring if necessary

Related codes

Error P2A82 by Vehicle Brand