nat Posted May 24 Share Posted May 24 Hi wondering if anyone can help. I've got a Audi A4 57 plate 1.9 diesel. It's making a chugging noise like air chugging if you lift the top of the airbox you can hear thr noise louder. When driving it sounds like I've got a blowing exhaust. Car drives fine no loss of power. Had it plugged I no faults found. Its driving me mad as I've had few people look at it but noone can seem to find the problem Thank you Quote Link to comment Share on other sites More sharing options...
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