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Discussion Starter · #1 ·
I just got a EPROM ECU with stage 3 mod. I know how the launch rpm works and I know how to select the gauges.

I just don't understand how to read the O2 gauge and the spark advance gauge. How do I know if I'm leaning out or my timing is getting pulled back?

Thanks!


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'92 Talon TSi FWD
K&N cut air can, DDP mbc @ 15 psi
[email protected] 2.5 60ft
 

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Check out TMO ... I'm assuming you're talking about their ECU mods. Click on "ECU Modifications", and it should explain the different read-outs.

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1993 Forest Talon AWD

[This message has been edited by ForestTalonAWD (edited September 11, 2000).]
 

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Discussion Starter · #3 ·
I went to tmo.com but I still don't understand how to read the O2 gauge. :confused:

What it's supposed to show at WOT if I have a healthy air/fuel ratio? -7, 0, +7 or +14?

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'92 Talon TSi FWD
K&N cut air can, DDP mbc @ 15 psi
[email protected] 2.5 60ft
 
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