OBD Guide

P142A

EGR Temperature Sensor 2 Intake Air Temperature 2 Not Plausible

P142A is an OBD-II diagnostic trouble code meaning: EGR Temperature Sensor 2 Intake Air Temperature 2 Not Plausible. Common causes: egr 2 temperature sensor malfunction, 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
  • Dips during acceleration

Causes

  • EGR 2 temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Sensor contamination
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the wiring to the sensor
  2. Clean sensor connector contacts
  3. Check the sensor resistance (compare with the nominal value)
  4. Replace EGR temperature sensor 2 if necessary
  5. Reset the error code and check if it returns

Related codes

FAQ

What does the P142A code mean?

P142A is an OBD-II diagnostic trouble code that indicates: EGR Temperature Sensor 2 Intake Air Temperature 2 Not Plausible

What causes a P142A error code?

The most common causes of P142A include: EGR 2 temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Sensor contamination.

How do I fix a P142A diagnostic trouble code?

To fix P142A: Check the integrity of the wiring to the sensor. Clean sensor connector contacts. Check the sensor resistance (compare with the nominal value). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P142A?

Yes, but get it checked soon

How much does it cost to fix P142A?

The estimated repair cost for P142A is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat