OBD Guide
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B24A4

Intake Sensor Malfunction

B24A4 is an OBD-II diagnostic trouble code meaning: Intake Sensor Malfunction. Common causes: dmrv malfunction, absolute pressure (map) sensor malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Check Engine Light Is On

Causes

  • DMRV malfunction
  • Absolute pressure (MAP) sensor malfunction
  • Damage to the sensor wiring harness
  • Poor contact in the sensor connector
  • Sensor contamination

How to Fix

  1. Check the condition of the sensor and its connector
  2. Clean the sensor (if possible)
  3. Check the integrity of the wiring harness
  4. Check the sensor readings using a diagnostic scanner
  5. Replace sensor if necessary

Related codes

P0100P0101P0102P0103

FAQ

What does the B24A4 code mean?

B24A4 is an OBD-II diagnostic trouble code that indicates: Intake Sensor Malfunction

What causes a B24A4 error code?

The most common causes of B24A4 include: DMRV malfunction; Absolute pressure (MAP) sensor malfunction; Damage to the sensor wiring harness; Poor contact in the sensor connector.

How do I fix a B24A4 diagnostic trouble code?

To fix B24A4: Check the condition of the sensor and its connector. Clean the sensor (if possible). Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B24A4?

Limited driving only, diagnose soon

How much does it cost to fix B24A4?

The estimated repair cost for B24A4 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat