VOLVO
ECM-2C4B - Injector cyl 5. Signal missing
System
Motorstyring (ECM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
2 modellerS80 (1999–2006), XC90 (2003–)
Vis modeller per årsmodell og motor (2)
Hva betyr feilkoden?
According to the fault code, no signal reaches the injector for cylinder 5. The cause may be oxidised connections, broken wiring, a damaged injector or a damaged mass air flow sensor.
Mulige årsaker
- Oxidised connections to the injector
- Break in the wire carrying the signal to cylinder 5
- Break in the supply to the injector
- Damaged injector
- Damaged mass air flow (MAF) sensor
Hva du kan gjøre
- 1Read and note the code, clear it and road test
- 2Look at the connection at the cylinder 5 injector and make sure it is secure and clean
- 3Use a multimeter to check that the wire to cylinder 5 has no break
- 4If you have a diagnostic tool: activate the cylinder 5 injector and check that a click can be heard
- 5If the fault returns after these checks, have a workshop assess the injector and the mass air flow sensor
Symptomer du kan merke2
- The malfunction indicator lamp (MIL) is on
- The engine is not running on all cylinders
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.