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Author Will a dirty air filter make a car overfuel slightly?
FruitBooTeR
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Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
User status: Offline
27th May 09 at 21:19   View User's Profile U2U Member Reply With Quote

Simple question
GSi Nicey
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Registered: 1st Mar 09
Location: Sudbury, Suffolk
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27th May 09 at 21:23   View User's Profile U2U Member Reply With Quote

i wouldnt have thought so, but sayin that it depends how dirty it is lol, could fuck up you intake tho
AlexW
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Registered: 25th Oct 08
Location: Essex
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28th May 09 at 11:03   View User's Profile U2U Member Reply With Quote

Yes, due to not enough air getting into the inlet.
Richardhhha
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Registered: 29th Sep 07
Location: Croydon, Greater London
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28th May 09 at 11:42   View User's Profile U2U Member Reply With Quote

can do yes but would have to be bloody dirty.
other than that a good spanking normaly cures anything thats starting to coat on the injectors (put some fuel cleaner in it aswell)
FruitBooTeR
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Registered: 18th Jan 07
Location: Wolverhampton Drives: S15
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28th May 09 at 11:46   View User's Profile U2U Member Reply With Quote

Its not for me someone said that they are gonna replace the air filter to try and sort a slight overfueling problem but I said I dont think it would help much as overfueling is more sensor related and a slightly dirty air filter isnt exactly gonna send the afm bonkers either
AlexW
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Registered: 25th Oct 08
Location: Essex
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28th May 09 at 11:59   View User's Profile U2U Member Reply With Quote

What engine is it? Could be lamba too.
gez bay
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Registered: 14th Feb 08
Location: South Wales drives: Vxr
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28th May 09 at 16:04   View User's Profile U2U Member Reply With Quote

might blow the welds on the intake
pattso187
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Registered: 14th May 09
Location: Australia
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29th May 09 at 09:55   View User's Profile U2U Member Reply With Quote

A dirty air filter will cause the car to loose power before overfueling providing your air mass meter or map sensor and lambda probe are working correctly as the ecu will adjust the required fuel according to the air coming in and the air remaining in the exhaust. most likely a sensor fault if overfueling or possibly a cracked exhast manifold before the lambda probe.

 
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