VOLVO
ECM-272A - Adaptive lambda control, bank 2 .Bottom limit
Układ
Sterownik silnika (ECM)
Modele Volvo, których dotyczy ten kod błędu
Dotyczy następujących modeli:
2 modeleS80 (1999–2006), XC90 (2003–)
Co oznacza ten kod błędu?
On bank 2 the long-term correction adjusts fuel quantity from the oxygen sensor reading. At its lower limit, meaning the mixture is too rich, the ECM has already reached its limit and cannot cut the fuel any further.
Możliwe przyczyny
- Fuel pressure is too high
- The injectors are leaking
- The mass air flow sensor is broken
- The engine oil is contaminated
- The oil stands above the max level
Co możesz zrobić
- 1Check the oil level against the dipstick and whether the oil looks diluted
- 2Have a workshop check the fuel pressure and any leaking 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 and see whether it stays steady at idle
Objawy, które możesz zauważyć1
- No noticeable symptoms for the driver
Ogólne wskazówki dla właścicieli. Diagnostyka na samochodzie może wskazać inną przyczynę.