My Volkswagen Golf sounds terrible and is leaking oil following a fuel sender pump replacement.

Whilst driving along in my Volkswagen Golf IV automatic I heard a bang, and my car stopped and wouldn't restart. The AA diagnosed a fuel pump failure. With a new one fitted, the car starts easily, but sounds terrible and is pushing oil out at the dipstick. No fumes are coming out of the exhaust. What could be wrong?

Asked on 18 August 2010 by fossil

Answered by Honest John
This is very peculiar, because all thew fuel tank sender pump does is lift fuel out of the tank and send it on its way to the injection pump. I can't see how replacing that could have pumped excess fuel into the engine to that extent.
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