Exhaust Gas Temperature Sensor Circuit Low (Bank 2 Sensor 2)
The P2087 code means the vehicle's onboard diagnostic system has detected: Exhaust Gas Temperature Sensor Circuit Low (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
- Bank 2 EGT reads low
- DPF regen issues
- Possible power limitation
- Incomplete combustion symptoms
Probable Causes (Ranked by Likelihood)
- Short to ground in Bank 2 EGT sensor 2 circuit Very High
- Failed Bank 2 sensor High
- Melted wiring near Bank 2 exhaust Moderate
- ECM Bank 2 input short Low
Step-by-Step Diagnostic Procedure
-
Measure Bank 2 EGT sensor 2 voltage
-
Inspect wiring for heat damage
-
Check sensor resistance
-
Replace if confirmed faulty
Frequently Asked Questions
What does P2087 indicate?
P2087 indicates: Exhaust Gas Temperature Sensor Circuit Low (Bank 2 Sensor 2). The ECM detected an issue requiring diagnosis.
Is P2087 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.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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