OBD Guide

P2084

Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2

P2084 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2. Common causes: exhaust gas temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $28–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine operation
  • Problems with the exhaust gas recirculation system

Causes

  • Exhaust gas temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • ECU malfunction

How to Fix

  1. Check the continuity of the exhaust temperature sensor circuit
  2. Inspect connectors and wires for damage
  3. Test exhaust temperature sensor
  4. Replace sensor if necessary
  5. Check the operation of the exhaust gas recirculation system

Related codes

Error P2084 by Vehicle Brand

FAQ

What does the P2084 code mean?

P2084 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2

What causes a P2084 error code?

The most common causes of P2084 include: Exhaust gas temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P2084 diagnostic trouble code?

To fix P2084: Check the continuity of the exhaust temperature sensor circuit. Inspect connectors and wires for damage. Test exhaust temperature sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2084?

Yes, but get it checked soon

How much does it cost to fix P2084?

The estimated repair cost for P2084 is $28–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat