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Author Topic: fuel trim  (Read 1937 times)

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biggriffin

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fuel trim
« on: 03 June 2013, 11:11:25 »
Had codes
. Po 173
 po170  twice today,fuel trim malfunction? any ideas why.
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andyc

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Re: fuel trim
« Reply #1 on: 03 June 2013, 13:32:00 »
Top of my head i think it could be air mass but if i'm wrong i'm sure someone will correct

Cheers
Andy
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dbug

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Re: fuel trim
« Reply #2 on: 03 June 2013, 14:07:16 »
Is it running ok?
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biggriffin

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Re: fuel trim
« Reply #3 on: 03 June 2013, 14:26:14 »
Quote from: dbug on 03 June 2013, 14:07:16
Is it running ok?

Yup running fine. 8)
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biggriffin

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Re: fuel trim
« Reply #4 on: 03 June 2013, 17:08:51 »
Quote from: andyc on 03 June 2013, 13:32:00
Top of my head i think it could be air mass but if i'm wrong i'm sure someone will correct

Cheers
Andy
so me thinking new maff then. More expense :'(
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05omegav6

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Re: fuel trim
« Reply #5 on: 03 June 2013, 17:19:24 »
Unplug it and see if the idle changes, if not then Maf is toast :-\

Watch your fingers though...
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Webby the Bear

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Re: fuel trim
« Reply #6 on: 03 June 2013, 17:21:14 »
if its running ok i'd try cleaning it first with contact cleaner
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biggriffin

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Re: fuel trim
« Reply #7 on: 03 June 2013, 17:25:26 »
Quote from: Webby the Bear on 03 June 2013, 17:21:14
if its running ok i'd try cleaning it first with contact cleaner

Thats a good idea mr webby,trip to maplins then.
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andyc

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Re: fuel trim
« Reply #8 on: 03 June 2013, 17:26:13 »
If it helps

GM Boxed £143.57 + VAT
Bosch Boxed £121.94 + VAT
"White Boxed" £52.50 + VAT some far easten part i would think

Cheers
Andy
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Webby the Bear

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Re: fuel trim
« Reply #9 on: 03 June 2013, 17:29:51 »
Quote from: biggriffin on 03 June 2013, 17:25:26
Quote from: Webby the Bear on 03 June 2013, 17:21:14
if its running ok i'd try cleaning it first with contact cleaner

Thats a good idea mr webby,trip to maplins then.

I dumped half a can on my MAF and it worked.... although ensure its thoroughly dry before replacing  :y
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Re: fuel trim
« Reply #10 on: 03 June 2013, 21:35:47 »
Maf or air leak.

Is there another 3.2 owner nearby you can borrow the maf off of?

Do you have access to a live data capable code reader...?
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dbug

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Re: fuel trim
« Reply #11 on: 03 June 2013, 23:04:35 »
Very good chance of wrecking maf by trying to clean it!!

http://www.omegaowners.com/forum/index.php?topic=115215.msg1456301#msg1456301
« Last Edit: 03 June 2013, 23:07:00 by dbug »
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