OBD Guide

P24B8

EVAP System Leak Detection Pump Pressure Sensor Circuit

P24B8 is an OBD-II diagnostic trouble code meaning: EVAP System Leak Detection Pump Pressure Sensor Circuit. Common causes: open or short circuit in the sensor circuit, faulty evap pump pressure sensor. Estimated repair cost: $17–56.

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
  • The smell of gasoline near the car
  • Unstable engine idling
  • Dips during acceleration

Causes

  • Open or short circuit in the sensor circuit
  • Faulty EVAP pump pressure sensor
  • Problems with the wiring harness or connectors
  • Leak detection pump malfunction
  • Bad contacts in the electrical circuit

How to Fix

  1. Check the integrity of wiring and connectors
  2. Check the resistance of the pressure sensor
  3. Check power and ground at the sensor connector
  4. Replace EVAP pump pressure sensor if necessary
  5. Check the operation of the leak detection pump

Related codes

Error P24B8 by Vehicle Brand

FAQ

What does the P24B8 code mean?

P24B8 is an OBD-II diagnostic trouble code that indicates: EVAP System Leak Detection Pump Pressure Sensor Circuit

What causes a P24B8 error code?

The most common causes of P24B8 include: Open or short circuit in the sensor circuit; Faulty EVAP pump pressure sensor; Problems with the wiring harness or connectors; Leak detection pump malfunction.

How do I fix a P24B8 diagnostic trouble code?

To fix P24B8: Check the integrity of wiring and connectors. Check the resistance of the pressure sensor. Check power and ground at the sensor connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24B8?

Yes, but get it checked soon

How much does it cost to fix P24B8?

The estimated repair cost for P24B8 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat