OBD Guide

P2EA3

Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 6

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine operation at idle
  • Possible transition to emergency mode

Causes

  • Exhaust gas temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Problems with the engine control unit

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for corrosion or damage
  3. Check sensor resistance (compare with factory values)
  4. Replace exhaust gas temperature sensor if necessary
  5. Reset the error code and check if it returns

Related codes

Error P2EA3 by Vehicle Brand