OBD-II code · Powertrain (generic, extended)
P2085 Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 1 Sensor 2)
The EGT sensor at bank 1 sensor 2 signal jumps or drops out intermittently — typically a connector or chafed wire near the exhaust manifold heat zone.
Is it safe to drive with P2085?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyConnector loose
- Less likelyConnector with intermittent contact under vibration
- Less likelyHarness routed against vibrating component
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–2 h
- Emissions test
- Likely to fail
- Parts involved
- Exhaust Gas Temperature Sensor
Related codes
- P2081Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 1 Sensor 1)
- P2083Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 2 Sensor 1)
- P2087Exhaust Gas Temperature Sensor Circuit Intermittent (Bank 2 Sensor 2)
- P2082Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 2 Sensor 1)
- P2084Exhaust Gas Temperature Sensor Range/Performance (Bank 1 Sensor 2)
- P2086Exhaust Gas Temperature Sensor Circuit Range/Performance (Bank 2 Sensor 2)
- P2088Camshaft Position A Actuator Control Circuit Low (Bank 1)
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.