Quote:
Originally Posted by phil1968
Can someone explain to me how the engine sump oil level can rise because of the DPF regeneration process? I assumed that extra fuel was injected into the exhaust to raise the DPF temperature but can't see how this results in fuel ending up in the sump?
|
The extra fuel is injected into the cylinder head. If the fuel is not metered correctly some can end up getting past the scraper ring. Volvo changed the metering and monitoring and the scraper rings some years ago so it's not an issue nowadays unless the engine has a fault.