Bad o-rings? I dunno how else fuel could get into the oil
I've read that in our engines the membrane on the crankcase de-air-ifier (#5 in the picture below)
can start to let oil through, mucking up the intake, turbo, intercooler, manifold and all the sensors along the way (my boost pressure sensor throws a code on every longer trip, for example), but this shouldn't let fuel into the oil. Weird.
Would you like me to ask about fuel in oil at my local Peugeot forum?
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e·co·mod·ding: the art of turning vehicles into what they should be
What matters is
where you're going, not
how fast.
"... we humans tend to screw up everything that's good enough as it is...or everything that we're attracted to, we love to go and defile it." - Chris Cornell
[Old] Piwoslaw's Peugeot 307sw modding thread