Powertrain
generic / SAE
P2478
Exhaust Gas Temperature Out of Range Bank 1 Sensor 1
The EGT sensor at bank 1 sensor 1 reports a value outside its plausible operating range over time - typically a degraded element giving an offset that the substitute logic flags as implausible.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / 78
Possible causes
- Sensor element aged high
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 120–400 €
- Estimated time: 0.6–1.8 h
- Component: egt sensor b1s1
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012