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Strange engine sound? "ffut-ffut-ffut" etc

Posted: Thu May 27, 2021 5:06 pm
by agentdagnamit
My petrol v6 Bongo has started making a new noise, sort of a continual 'fut-fut' from the engine when driving or ticking over. This isnt the usual happy ticking sound. It passed its MOT and was serviced a couple of months ago with no issues. I'll drop it into our garage, but was interested in what this might be.

Performance of the engine seems ok, and there's nothing else obviously wrong. Just this new sound - not unpleasant, but definitely unusual!

Thanks

Re: Strange engine sound? "ffut-ffut-ffut" etc

Posted: Thu May 27, 2021 5:18 pm
by g8dhe
Maybe a hole in the exhaust system ?

Re: Strange engine sound? "ffut-ffut-ffut" etc

Posted: Thu May 27, 2021 6:26 pm
by teenmal
Exhaust manifold.

Re: Strange engine sound? "ffut-ffut-ffut" etc

Posted: Fri May 28, 2021 4:10 pm
by haydn callow
No 1 MAnifold stud ???

Re: Strange engine sound? "ffut-ffut-ffut" etc

Posted: Fri May 28, 2021 10:34 pm
by agentdagnamit
Thanks, assuming that is expensive. Booked in for a repair next week.

Re: Strange engine sound? "ffut-ffut-ffut" etc

Posted: Sat May 29, 2021 11:20 am
by oibaf
agentdagnamit wrote: Fri May 28, 2021 10:34 pm Thanks, assuming that is expensive. Booked in for a repair next week.
Let us know how it goes!

Re: Strange engine sound? "ffut-ffut-ffut" etc

Posted: Wed Jun 02, 2021 4:11 pm
by agentdagnamit
Turned out to be a rusted back exhaust box.

Re: Strange engine sound? "ffut-ffut-ffut" etc

Posted: Fri Jun 04, 2021 5:12 pm
by oibaf
agentdagnamit wrote: Wed Jun 02, 2021 4:11 pm Turned out to be a rusted back exhaust box.
Cheap repair? Expensive replacement? Thanks for checking back in!

Re: Strange engine sound? "ffut-ffut-ffut" etc

Posted: Fri Jun 04, 2021 8:05 pm
by Bob
agentdagnamit wrote: Wed Jun 02, 2021 4:11 pm Turned out to be a rusted back exhaust box.


Phew, basically a consumable. :)