OBD Guide

P2086

Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2

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 operation at idle
  • Problems with the EGR system

Causes

  • Exhaust temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with the engine control unit (ECU)
  • Corroded or damaged wiring

How to Fix

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

Related codes

Error P2086 by Vehicle Brand