OBD Guide

P24D6

EVAP System Pressure Sensor/Switch B Circuit Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Check Engine light comes on
  • Possible fuel smell
  • Unstable engine operation at idle
  • Reduced fuel efficiency
  • Difficulty starting the engine

Causes

  • The pressure sensor in the EVAP system is faulty
  • Open or short circuit in sensor wiring
  • Poor contact in sensor connectors
  • Engine control module (ECU) malfunction
  • EVAP system leak

How to Fix

  1. Check the EVAP pressure sensor wiring and connectors for damage or corrosion.
  2. Check the EVAP pressure sensor using a multimeter.
  3. Replace the EVAP pressure sensor if it is faulty.
  4. Check the EVAP system for leaks.
  5. Check the ECU for damage or malfunctions.

Related codes

Error P24D6 by Vehicle Brand