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Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

a/f ratio gauge?

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Old Dec 1, 2004 | 09:59 PM
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vteckiller1005
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Exclamation a/f ratio gauge?
hey I just got a boost a/f and pyrometer gauges in my 02 wrx ive installed the boost and egt but i was wondering what should i be connecting the a/f gauge to ive heard go to the ecu but i dont know for sure witch wire i tried going to the fat white wire on my o2 sensor but it read rich and never fluxuated at idle if anyone can help me i would really appreciate it thanks
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Old Dec 2, 2004 | 04:55 PM
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sigma pi's Avatar
sigma pi
9 to 5 mod
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Joined: Jan 2003
Posts: 57,389
From: Chavez Ravine
Car Info: 03 Impreza WRX
the front 02 but its not good to mess with it

the AF ratio gague is pretty much useless wide band o2 is useful
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