OBD Guide

P2444

AIR System Pump Stuck On Bank 1

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Constant noise from the secondary air pump
  • Increased fuel consumption
  • Check Engine Light Is On
  • Reduced engine power
  • Catalytic converter overheating

Causes

  • Mechanical jamming of the secondary air pump
  • Pump relay fault
  • Short circuit in pump control circuit
  • Problems with the engine control unit (ECU)
  • Secondary air system valve stuck

How to Fix

  1. Check the mechanical condition of the secondary air pump
  2. Check the relay and power supply circuit of the pump
  3. Check the operation of the secondary air system valve
  4. Check engine control unit software
  5. If necessary, replace the secondary air pump

Related codes

Error P2444 by Vehicle Brand