OBD Guide
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P142F

Exhaust Gas Recirculation Sensor 'D' Circuit Intermittent/Erratic

P142F is an OBD-II diagnostic trouble code meaning: Exhaust Gas Recirculation Sensor 'D' Circuit Intermittent/Erratic. 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
  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Dips during acceleration

Causes

  • EGR sensor 'D' faulty
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Contact corrosion
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the wiring to the EGR sensor 'D'
  2. Clean sensor connector contacts
  3. Check sensor resistance
  4. Replace EGR sensor 'D' if necessary
  5. Test the operation of the system after repair

Related codes

P142EP1430P0401

FAQ

What does the P142F code mean?

P142F is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Recirculation Sensor 'D' Circuit Intermittent/Erratic

What causes a P142F error code?

The most common causes of P142F include: EGR sensor 'D' faulty; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Contact corrosion.

How do I fix a P142F diagnostic trouble code?

To fix P142F: Check the integrity of the wiring to the EGR sensor 'D'. Clean sensor connector contacts. Check sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P142F?

Yes, but get it checked soon

How much does it cost to fix P142F?

The estimated repair cost for P142F is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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