Diesel fuel mixing with engine oil

Tiny
HARRY SIG
  • MEMBER
  • 2008 SKODA OCTAVIA
  • 1.9L
  • 4 CYL
  • TURBO
  • 2WD
  • MANUAL
  • 180,000 MILES
Hi,

Having some issues where it seems like diesel fuel is mixing with the engine oil, any ideas how this could be possible and what kind of damage could I be looking at cost wise to repair?

There is alot of blue smoke while the engine is running and a constant thumping noise coming from the engine when it runs.
Saturday, March 15th, 2014 AT 6:11 AM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
That is usually the result of a flooding condition. Fuel will run right down the cylinder walls into the crankcase. Leaking fuel injector is the most common cause.

Note: This is not a US sold vehicle so I have no specific info on it.
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Saturday, March 15th, 2014 AT 7:18 AM

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