maxy Posted May 5, 2010 Share Posted May 5, 2010 (edited) car was making a whistling noise when on the throttle and the dump valve sounded weak but no power loss on high or low boost Mow it is running rough and cutting out strong smell petroleum Would the dump valve sticking open cause these problem s I do have a leak in the up pipe which had been there when the car was mapped Any advise Edited May 5, 2010 by maxy Link to comment
mikescooby Posted May 5, 2010 Share Posted May 5, 2010 If you have had your car mapped it might be worth taking it back to the mapper to have a look Link to comment
maxy Posted May 6, 2010 Author Share Posted May 6, 2010 it was the dump valve took it off and noticed it was jammed open Regards maxy Link to comment
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