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PostPosted: Sun Jan 29, 2012 10:46 am 
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Joined: Thu Mar 11, 2010 9:38 pm
Posts: 145
Location: Sunny Devon
Drives: Fiesta Si 1.6
Yo, anyone know why my si is running so rich? Iv replaced the maf, and was running rich after, so u put the de cat on, which I knew wouldnt help but is like sort it out, any ideas? What can I do to sort it? Please help my si, he is a ill

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PostPosted: Sun Jan 29, 2012 1:20 pm 
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Joined: Fri Apr 02, 2010 8:40 pm
Posts: 741
Location: Cheshire
Drives: tb'ed xr2.0
so it was running rich and now you have fitted a new maf to see if it makes a difference? Anyhow check the basics first. have a look at the condition of the wires into the maf. are they broken or do they look like water has got into the terminals? when was the air filter last changed?

what makes you think its rich anyway? has it been on a emmissions tester, my old si smelt like it was running really rich but went through the mot really easy.

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PostPosted: Sun Jan 29, 2012 4:56 pm 
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Joined: Thu Mar 11, 2010 9:38 pm
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Location: Sunny Devon
Drives: Fiesta Si 1.6
The wires are good, got a k&n on it, which iv cleaned. Smells very rich. :(

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PostPosted: Sun Jan 29, 2012 10:53 pm 
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Joined: Sat Apr 24, 2010 5:52 pm
Posts: 431
Location: Plymouth
Drives: Fiesta 1.4 cvh
Any air leaks on the inlet??


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PostPosted: Mon Jan 30, 2012 9:40 am 
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Joined: Thu Mar 11, 2010 9:38 pm
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Location: Sunny Devon
Drives: Fiesta Si 1.6
Nope, not that I can see, hear, feel...ha.

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PostPosted: Wed Mar 07, 2012 3:13 am 
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Joined: Sun Jun 08, 2008 8:55 pm
Posts: 266
Location: Leicestershire
Drives: 1.6 Si
check your plugs and plug gaps and that there all getting a spark through the revs


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