OBD Guide

P24FB

Exhaust Aftertreatment Fuel Air Purge Valve Control Circuit High

P24FB is an OBD-II diagnostic trouble code meaning: Exhaust Aftertreatment Fuel Air Purge Valve Control Circuit High. Common causes: short circuit in control circuit, fuel purge valve malfunction. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Problems with diesel particulate filter regeneration
  • Unstable engine operation

Causes

  • Short circuit in control circuit
  • Fuel purge valve malfunction
  • Wiring harness damage
  • Problems with the engine control unit
  • Contact corrosion

How to Fix

  1. Check the integrity of the control circuit
  2. Check the resistance of the fuel purge valve
  3. Inspect the wiring harness for damage
  4. Check contacts for corrosion
  5. Replace the fuel purge valve if necessary

Related codes

Error P24FB by Vehicle Brand

FAQ

What does the P24FB code mean?

P24FB is an OBD-II diagnostic trouble code that indicates: Exhaust Aftertreatment Fuel Air Purge Valve Control Circuit High

What causes a P24FB error code?

The most common causes of P24FB include: Short circuit in control circuit; Fuel purge valve malfunction; Wiring harness damage; Problems with the engine control unit.

How do I fix a P24FB diagnostic trouble code?

To fix P24FB: Check the integrity of the control circuit. Check the resistance of the fuel purge valve. Inspect the wiring harness for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24FB?

Yes, but get it checked soon

How much does it cost to fix P24FB?

The estimated repair cost for P24FB is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat