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Question about air/fuel numbers

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Old Apr 2, 2009 | 02:07 PM
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klehayai's Avatar
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Question about air/fuel numbers

Hey all,

I just got my aem air/fuel gauge in and I wanted to see if you guys could help me determine if my air/fuel numbers are ideal or within the parameter set. I have the cobb accessport stage 2 in and my numbers at WOT are ~11.7 at cruising ~14.4-15.6 and idle at ~14.6 - 15.8. Sometimes at idle it jumps to ~16.3ish for a second or 2 is that normal? What numbers should I be looking for in the case that it is running lean and at which point i.e WOT, cruise idle? Thanks in advance for the help
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Old Apr 2, 2009 | 02:12 PM
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seems normal...
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Old Apr 2, 2009 | 02:26 PM
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Originally Posted by klehayai
Hey all,

I just got my aem air/fuel gauge in and I wanted to see if you guys could help me determine if my air/fuel numbers are ideal or within the parameter set. I have the cobb accessport stage 2 in and my numbers at WOT are ~11.7 at cruising ~14.4-15.6 and idle at ~14.6 - 15.8. Sometimes at idle it jumps to ~16.3ish for a second or 2 is that normal? What numbers should I be looking for in the case that it is running lean and at which point i.e WOT, cruise idle? Thanks in advance for the help
Everything seems good. 11.7 is about ideal, all depends on how much timing etc is ran through that program.

At an idle it is perfectly normal for it to go lean for a split second, you would have to tune your injector latency maps in order to make it more consistent.
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