OBD Guide

P24D7

EVAP System Pressure Sensor/Switch B Circuit Low

P24D7 is an OBD-II diagnostic trouble code meaning: EVAP System Pressure Sensor/Switch B Circuit Low. Common causes: evap pressure sensor malfunction, open or short circuit in the sensor circuit. 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
  • Problems with refueling
  • Slight reduction in engine power
  • Increased fuel consumption

Causes

  • EVAP pressure sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the continuity of the EVAP pressure sensor circuit
  2. Check sensor connectors and connections
  3. Replace EVAP pressure sensor if necessary
  4. Check the operation of the engine control unit

Related codes

Error P24D7 by Vehicle Brand

FAQ

What does the P24D7 code mean?

P24D7 is an OBD-II diagnostic trouble code that indicates: EVAP System Pressure Sensor/Switch B Circuit Low

What causes a P24D7 error code?

The most common causes of P24D7 include: EVAP pressure sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the engine control unit (ECU).

How do I fix a P24D7 diagnostic trouble code?

To fix P24D7: Check the continuity of the EVAP pressure sensor circuit. Check sensor connectors and connections. Replace EVAP pressure sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P24D7?

Yes, but get it checked soon

How much does it cost to fix P24D7?

The estimated repair cost for P24D7 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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