OBD Guide

P24D8

EVAP System Pressure Sensor/Switch B Circuit High

P24D8 is an OBD-II diagnostic trouble code meaning: EVAP System Pressure Sensor/Switch B Circuit High. Common causes: short circuit in the sensor circuit, evap pressure sensor malfunction. 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
  • Problems starting the engine
  • Smell of gasoline in the cabin
  • Unstable engine idling

Causes

  • Short circuit in the sensor circuit
  • EVAP pressure sensor malfunction
  • Broken or damaged wiring
  • Problems with sensor connectors
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of wiring and connectors
  2. Measure the resistance of the pressure sensor
  3. Check the voltage in the sensor circuit
  4. Replace EVAP pressure sensor if necessary
  5. Reset the error code and check the system

Related codes

Error P24D8 by Vehicle Brand

FAQ

What does the P24D8 code mean?

P24D8 is an OBD-II diagnostic trouble code that indicates: EVAP System Pressure Sensor/Switch B Circuit High

What causes a P24D8 error code?

The most common causes of P24D8 include: Short circuit in the sensor circuit; EVAP pressure sensor malfunction; Broken or damaged wiring; Problems with sensor connectors.

How do I fix a P24D8 diagnostic trouble code?

To fix P24D8: Check the integrity of wiring and connectors. Measure the resistance of the pressure sensor. Check the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24D8?

Yes, but get it checked soon

How much does it cost to fix P24D8?

The estimated repair cost for P24D8 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat