Powertrain
generic / SAE
P2473
Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 3
The voltage of EGT sensor 3 on bank 1 is above the calibrated maximum. Often a sign of an open sensor circuit or a short to supply voltage.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / 73
Possible causes
- Open sensor circuit high
- Signal shorted to supply medium
- Connector pins corroded - high contact resistance 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