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air/fuel ratio guages 

 

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 Post subject: air/fuel ratio guages
Posted: Tue Feb 07, 2006 4:27 pm 
Getting Side Ways
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gday lads,

can someone give me the run down on how to interperate them? (rich / lean :shock: )
ideally, where should the i6 be sitting?

thanks
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Posted: Tue Feb 07, 2006 4:32 pm 
Getting Side Ways
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OK... narrowband meter i assume.

When you're cruising, it should "sweep" from lean to rich, back and forth - effectively "average" stoichometric (the middle point of the gauge). This is how EEC acieves a desired A/F ratio when crusing - and it will target 14.7:1 (stoich ratio) when crusing.

Under compression, for example, in 2nd gear going downhill with no throttle, the gauge should read lean.

When giving more than, say, 50% throttle, the gauge should read rich.

 

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Posted: Tue Feb 07, 2006 4:38 pm 
Getting Side Ways
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thank you good sir.

:D
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