target a/f ratio at idle?
11-03-2003, 12:37 PM
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Re: target a/f ratio at idle? (Ricey McRicerton)
yup...the a/f is going to fluctuate a bit at idle. You want around 14.7 and as lean as 15.3 will work as well.
Danny
Danny
11-03-2003, 12:43 PM
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Re: target a/f ratio at idle? (R6Elmo)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by R6Elmo »</TD></TR><TR><TD CLASS="quote">yup...the a/f is going to fluctuate a bit at idle. You want around 14.7 and as lean as 15.3 will work as well.
Danny</TD></TR></TABLE>
Ahh..good point...with the OBD2 setups, the a/f ratio sweeps back and forth until it finds 14.7
Danny</TD></TR></TABLE>
Ahh..good point...with the OBD2 setups, the a/f ratio sweeps back and forth until it finds 14.7
11-03-2003, 01:20 PM
#7
Re: target a/f ratio at idle? (slashDEVslashNULL)
I believe 14.7:1 is optimal for a ratio of power to fuel consumed. The reason the computer seeks 14.7:1 is that the narrowband can only really read 14.7:1. In the range of 16:1 will probably give you the cleanest emissions.
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