You need to have an injector balance test done. If you have one that's not sealing when closed, it will accumulate unburned fuel. Bad news on a diesel, can result in a torched piston and oil dilution. Check your oil level too. If it's "making" oil, it's a problem.

Last edited by badger; 08/09/16.
To anger a conservative, lie to him. To annoy a liberal, tell him the truth.

Promoted to Turdlike status 03/17/12