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Discussion Starter #1
The oil separater has just been replaced, and the car is more responsive, but after some moderate driving with the car parked I heard a very loud "popping" sound from the engine, its not a clicking or whirring, or sucking, but a very definite rapid pop pop pop......related to engine speed, as if a diaphragm valve or something is blowing air. Has anyone got any ideas about this please? Thanks Are
 
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