VOLVO
CEM-3A02 - fuel pump. Signal faulty
System
Sentral elektronikk (CEM)
Volvo-modeller feilkoden gjelder for
Gjelder følgende modeller:
5 modellerS60 (2001–2009), S80 (1999–2006), V70 (2000–2008), V70 XC / XC70 (2001–2007), XC90 (2003–)
Hva betyr feilkoden?
The CEM sees a wrong signal in the coil circuit of the fuel pump relay. The engine may start poorly or not at all, and idle may be uneven.
Mulige årsaker
- A fault in the fuel pump relay coil circuit
Hva du kan gjøre
- 1Check that the fuel pump relay is fully and correctly seated in the relay and fuse box
- 2Check the relay connections. If they are corroded or loose, clean them and tighten them
- 3With a diagnostic tool, activate the fuel pump relay and listen for a click
- 4After the work, clear the code and check that the engine runs smoothly
Symptomer du kan merke2
- The engine does not start
- Uneven idle
Generell veiledning for bileiere. Feilsøking på bilen kan peke på en annen årsak.