OBD Guide

P2086

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

P2086 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2. Common causes: exhaust 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 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

FAQ

What does the P2086 code mean?

P2086 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2

What causes a P2086 error code?

The most common causes of P2086 include: 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).

How do I fix a P2086 diagnostic trouble code?

To fix P2086: Check the continuity of the exhaust temperature sensor circuit. Inspect the sensor connectors and contacts for corrosion or damage.. Check sensor resistance (compare with technical specifications). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2086?

Yes, but get it checked soon

How much does it cost to fix P2086?

The estimated repair cost for P2086 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat