OBD Guide
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P142D

Exhaust Gas Recirculation Sensor 'D' Circuit Low

P142D is an OBD-II diagnostic trouble code meaning: Exhaust Gas Recirculation Sensor 'D' Circuit Low. Common causes: egr sensor 'd' faulty, 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 comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Increased emissions of harmful substances

Causes

  • EGR sensor 'D' faulty
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Engine control unit (ECU) malfunction
  • Dirty or clogged EGR system

How to Fix

  1. Check continuity of EGR sensor 'D' circuit
  2. Check sensor connections and connectors
  3. Clean or replace EGR sensor 'D'
  4. Check and, if necessary, replace the engine control unit (ECU)
  5. Clean the EGR system from carbon deposits and deposits

Related codes

P142CP142EP0401

FAQ

What does the P142D code mean?

P142D is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Recirculation Sensor 'D' Circuit Low

What causes a P142D error code?

The most common causes of P142D include: EGR sensor 'D' faulty; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Engine control unit (ECU) malfunction.

How do I fix a P142D diagnostic trouble code?

To fix P142D: Check continuity of EGR sensor 'D' circuit. Check sensor connections and connectors. Clean or replace EGR sensor 'D'. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P142D?

Yes, but get it checked soon

How much does it cost to fix P142D?

The estimated repair cost for P142D is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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