Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 2 Sensor 2)
The P2086 code means the vehicle's onboard diagnostic system has detected: Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 2 Sensor 2). This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- moderate
- Estimated cost
- $100 - $400 (parts and labor)
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Common Symptoms
- Check Engine Light on
- DPF issues on diesel vehicles
- Reduced engine power possible
- Bank 2 EGT reading abnormal
- Fuel economy decrease
Probable Causes (Ranked by Likelihood)
- Failed Bank 2 EGT sensor 2 Very High
- Soot contamination on sensor High
- Heat-damaged wiring Moderate
- ECM Bank 2 input fault Low
Frequently Asked Questions
What does P2086 indicate?
P2086 indicates: Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 2 Sensor 2). The ECM detected an issue requiring diagnosis.
Is P2086 urgent?
Moderate priority. Schedule a repair.
What should I check first?
Start with a visual inspection of the sensor wiring and connector. Then use a scan tool to read live data and compare to expected values. A multimeter can verify sensor resistance and circuit integrity.
Mechanics Guide Step-by-step diagnosis
Step-by-Step Diagnostic Procedure
-
Compare Bank 2 sensor 2 to Bank 1 sensor 2 readings
-
Inspect sensor for soot buildup
-
Check wiring for heat damage
-
Replace sensor if out of range
Sources 2
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines the generic OBD-II code ranges)
- Cross-checked against the SAE J2012:2002 DTC table (2026-08-27)archived scan of the SAE standard — readable copy, not SAE’s current edition
Commonly Affected Vehicles
- 2011-2020 Ford F-250 6.7L Diesel
- 2010-2019 Ram 2500 6.7L Diesel
- 2012-2019 Chevrolet Silverado 2500 6.6L Diesel
- 2010-2020 Toyota Tundra 5.7L
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