VOLVO
ECM-321C - Misfire cylinder 1, three-way catalytic converter (TWC) damage. Catalytic converter damage
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?
Misfires on cylinder one during starting can damage the catalytic converter. The code indicates cylinder one, and the fault should be corrected soon so the catalytic converter is not damaged.
Mulige årsaker
- Blocked or leaking injector
- Uneven compression
- Air leakage
- Faulty fuel pressure
- Low fuel level
- Contaminated or incorrect fuel
Hva du kan gjøre
- 1First investigate the other fault codes that affect camshaft control or the camshaft reset valve
- 2Check the fuel level and that the engine oil level is correct
- 3Check the spark plug on cylinder one and the moisture in its well
- 4Check the intake system for leaks
- 5Check that the fuel suits the season and that the tank is not contaminated
- 6If the fault remains, have a workshop check the compression on cylinder one
Symptomer du kan merke4
- Engine warning lamp lit
- The engine misfires
- The engine is difficult to start
- Uneven idle
Hva feilen kan påvirke2
- Catalytic converter diagnosis is switched off
- Lambda control is switched off
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.