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Author Lumpy idle and a strong hissing / sucking sound
Ian W
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Registered: 8th Nov 03
Location: Wirral, Merseyside
User status: Offline
27th Oct 14 at 11:14   View User's Profile U2U Member Reply With Quote

Aiming to get my X16XE GSi up and running properly in the next week, current symptoms are as described in the title, when the engines running you can hear it sucking a lot of air in which I guess is the cause of the lumpy idle??

Any idea's where I should be looking? My mate mentioned taking the top half of the inlet off as it's likely the gasket between the upper and lower has perished?

Anything else I should be focusing on?
random dav
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Registered: 7th Jan 04
Location: NSW
User status: Offline
27th Oct 14 at 13:20   View Garage View User's Profile U2U Member Reply With Quote

Try spraying carb cleaner around places what may have an air leak, vac pipes, etc and listen for idle change.

Could be a leak around the icv/brake vac pipe seal also the intake pipe could have split after the afm.


[Edited on 27-10-2014 by random dav]


WRLFC !

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ShEp
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Registered: 9th Aug 05
Location: Dingwall, Highland
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27th Oct 14 at 14:27   View User's Profile U2U Member Reply With Quote

Pretty much what dav said.

highly likely to be the inlet manifold, weather its the top half or the gasket where it meets the head.
Ian W
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Registered: 8th Nov 03
Location: Wirral, Merseyside
User status: Offline
27th Oct 14 at 14:50   View User's Profile U2U Member Reply With Quote

Thanks, gives me a good starting point

 
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