Powertrain
generic / SAE
P2470
Exhaust Gas Temperature Sensor Circuit Intermittent Bank 1 Sensor 3
The exhaust gas temperature sensor 3 on bank 1 (often after the DPF) shows intermittent dropouts. Erratic readings disturb DPF regeneration logic.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / 70
Possible causes
- Intermittent connector high
- Chafed wiring near hot exhaust medium
- Harness routed against vibrating component low
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 120–500 €
- Estimated time: 0.5–2 h
- Component: exhaust gas temperature sensor
- Component: egt wiring
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012