OBD Guide

P2433

AIR System Air Flow/Pressure Sensor Circuit High Bank 1

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Increased fuel consumption
  • Increased level of harmful emissions
  • Unstable engine idling
  • Reduced engine power

Causes

  • AIR system pressure/air flow sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Engine control unit malfunction

How to Fix

  1. Check the integrity and resistance of the pressure/air flow sensor
  2. Inspect the wiring harness and connectors for damage.
  3. Check the voltage and signal in the sensor circuit
  4. If necessary, replace the sensor or repair the wiring
  5. Reset the code and check if it appears again

Related codes

Error P2433 by Vehicle Brand