OBD Guide
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P142C

Exhaust Gas Recirculation Sensor 'D' Range/Performance

P142C is an OBD-II diagnostic trouble code meaning: Exhaust Gas Recirculation Sensor 'D' Range/Performance. Common causes: egr sensor 'd' faulty, clogged egr system channels. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Increased fuel consumption
  • Unstable engine idling
  • Reduced engine power
  • Check Engine Light Illuminates
  • Increased emissions

Causes

  • EGR sensor 'D' faulty
  • Clogged EGR system channels
  • EGR valve malfunction
  • Problems with wiring to the sensor
  • Software error in the control unit

How to Fix

  1. Check the condition of the EGR sensor 'D'
  2. Clean or replace EGR valve if necessary
  3. Check the integrity of the wiring to the sensor
  4. Test the operation of the EGR system
  5. Reset the error and check for its reappearance

Related codes

P0401P0403P0404

FAQ

What does the P142C code mean?

P142C is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Recirculation Sensor 'D' Range/Performance

What causes a P142C error code?

The most common causes of P142C include: EGR sensor 'D' faulty; Clogged EGR system channels; EGR valve malfunction; Problems with wiring to the sensor.

How do I fix a P142C diagnostic trouble code?

To fix P142C: Check the condition of the EGR sensor 'D'. Clean or replace EGR valve if necessary. Check the integrity of the wiring to the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P142C?

Yes, but get it checked soon

How much does it cost to fix P142C?

The estimated repair cost for P142C is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat