OBD Guide

P023E

Manifold Absolute Pressure - Turbocharger/Supercharger Boost Sensor B Correlation

P023E is an OBD-II diagnostic trouble code meaning: Manifold Absolute Pressure - Turbocharger/Supercharger Boost Sensor B Correlation. Common causes: map sensor malfunction, boost sensor b malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Loss of engine power
  • Unstable idling
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • MAP sensor malfunction
  • Boost sensor B malfunction
  • Air leaks in the charging system
  • Problems with the sensor wiring harness
  • Turbo/supercharger malfunction

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Check connections and contacts of sensors
  3. Carry out diagnostics of MAP and boost sensors
  4. Eliminate air leaks in the charging system
  5. Replace faulty sensors if necessary

Related codes

Error P023E by Vehicle Brand

FAQ

What does the P023E code mean?

P023E is an OBD-II diagnostic trouble code that indicates: Manifold Absolute Pressure - Turbocharger/Supercharger Boost Sensor B Correlation

What causes a P023E error code?

The most common causes of P023E include: MAP sensor malfunction; Boost sensor B malfunction; Air leaks in the charging system; Problems with the sensor wiring harness.

How do I fix a P023E diagnostic trouble code?

To fix P023E: Check the integrity of the sensor wiring harness. Check connections and contacts of sensors. Carry out diagnostics of MAP and boost sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P023E?

Limited driving only, diagnose soon

How much does it cost to fix P023E?

The estimated repair cost for P023E is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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