VOLVO
ECM-3512 - Misfire, emission. Faulty signal. Permanent fault
System
Motorstyring (ECM)
Volvo-modeller feilkoden gjelder for
Feilkoden har ulik betydning avhengig av modell, årsmodell eller motor. Velg betydningen som gjelder din bil.
Gjelder følgende modeller:
5 modellerC70 Cabriolet (1998–2005), C70 Coupé (1998–2002), S70 (1997–2000), V70 (1997–2000), V70 XC (1998–2000)
Vis modeller per årsmodell og motor (5)
Hva betyr feilkoden?
The fault is stored as permanent, meaning it is present right now. The code indicates which cylinder or cylinders are misfiring and that the misfire has affected exhaust emissions.
Mulige årsaker
- Blocked or leaking injector
- Uneven compression
- Air leakage
- Faulty fuel pressure
- Contaminated or incorrect fuel
- Repeated cold starts without the engine reaching operating temperature between starts
Hva du kan gjøre
- 1Check that there is fuel in the tank and that the engine oil level is correct
- 2If you have a diagnostic tool: read the misfire counters and see which cylinder stands out
- 3Check that the intake does not leak air and that the crankcase ventilation is not blocked
- 4Stored camshaft control codes should be diagnosed first
- 5Have a workshop check the spark and measure fuel pressure and compression with diagnostic equipment
Symptomer du kan merke5
- The engine misfires
- Hard starting
- Deterioration in performance
- Uneven idle
- Several cylinders are not firing
Hva feilen kan påvirke3
- Catalytic converter diagnosis is switched off
- Leakage diagnosis is switched off
- Rear oxygen sensor control is switched off
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.