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Ford Owners Club - Ford Forums > General Forums > Maintenance / Servicing / MOT Discussions
matt b
hi all ive got a focus st170 and its developed a hissing noise a few seconds after you change gear and it also does it sometimes just when your diving along as well. it sounds like its coming from the dash but i suspect its on the engine bay side of the bulkhead, could the gearchange thing be related to the noise?? im proper puzzled with it

and also my revs have started to stick aswell ive checked the peddle is not sticking and its fine could this be something to do with the throttle body????
have you got a dump valve that may have failed or soemthing along hte lines of that

matt b
no mate i aint got a dump valve

check for any loose or split boost/turbo pipes
Or long shot turn ur steering full lock as hard as you can see if it makes it then my charlottes fiesta does that makes some strange noise come to think of it so does my focus and the dump valve was just to rule it out


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