VOLVO
ECM-278A - Adaptive lambda control, bank 2. Bottom limit
System
Motorsteuergerät (ECM)
Volvo-Modelle, für die dieser Fehlercode gilt
Gilt für folgende Modelle:
2 ModelleS80 (1999–2006), XC90 (2003–)
Modelle nach Baujahr und Motor anzeigen (5)
Was bedeutet der Fehlercode?
The long-term correction on bank 2 has reached its lower limit. This means the engine control module has cut the fuel quantity as far as it can, because the mixture on bank 2 has been too rich.
Mögliche Ursachen
- Fuel pressure is too high
- The injectors leak fuel
- The mass air flow sensor is defective
- The oil is contaminated
- The oil level is set too high
Was Sie tun können
- 1Check the oil level and whether the oil appears diluted or smells of fuel
- 2Have a workshop check the fuel pressure and the injectors if the fault remains
- 3Have a workshop check the mass air flow sensor if the fault remains after these checks
- 4With diagnostic equipment, read the bank 2 long-term correction at idle and see whether it is stable
Symptome, die Sie bemerken können1
- No noticeable symptoms for the driver
Allgemeine Hinweise für Fahrzeughalter. Die Diagnose am Fahrzeug kann eine andere Ursache zeigen.