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Author Topic: rich after new pump and filter?  (Read 1284 times)

jamie16v

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rich after new pump and filter?
« on: 18 May 2013, 20:27 »
is it normal to be suddenly running rich on low idle after changing to high pressure fuel pump and changing fuel filter or could this be another issue. codes have been scanned and none came up.
99 mk4 AGU by the way.
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Offline itavaltalainen

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  • Posts: 2,692
  • VCDS and VCP - fault codes, coding, VIM activation
Re: rich after new pump and filter?
« Reply #1 on: 19 May 2013, 00:10 »
scanning codes is like ... about the right thing but just not right in there....

what do measuring blocks say?
how do you know its running rich?
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2019 Seat Leon ST FR DSG 135kW - eclipse orange - 23k miles

jamie16v

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Re: rich after new pump and filter?
« Reply #2 on: 20 May 2013, 14:25 »
havent put it on vcds yet, the battery in my lappy is sh!t. but i have had it on an exhaust gas analasys machine.
the fuelling is going to be all over the place at the moment anyway after fitting a k04 turbo, but i wouldnt have thought that it would affect idle and if anything would make it lean?..
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