Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

air/fuel and ecu questions

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Old Nov 7, 2007 | 11:47 PM
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Default air/fuel and ecu questions

hey everyone I'm new to h-t and also new to hondas, so plz don't be to harsh on me...i recently just bought a 94 coupe with a b16a, i currently have a p30 ecu and it runs rich as it's displayed on my air/fuel ratio meter...so out of curiosity I tried a p72 from a friend and the air/fuel ratio is perfect, not lean or rich...should it being running rich with the p72 and not the p30?...
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Old Nov 7, 2007 | 11:49 PM
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Default Re: air/fuel and ecu questions (hectic57)

hmmmm odd is it rich when idling when cold becuase that is nrmal, also is it a wideband or just a tap into stock o2 sensor guage? becuase those tend to be a little off
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Old Nov 8, 2007 | 12:02 AM
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Default Re: air/fuel and ecu questions (suicide_shift)

not rich when it's idling but rich when I press the gas pedal...and it's an autometer air/fuel meter that came installed with the car...
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Old Nov 8, 2007 | 12:09 AM
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Default Re: air/fuel and ecu questions (hectic57)

it should richen when you hit the gas......does it richen at first then lean out in less than half a second?

ya thats a tap in a/f ratio (not too accurate)
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Old Nov 8, 2007 | 12:20 AM
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Default Re: air/fuel and ecu questions (suicide_shift)

yeah that's exactly what it does...so there's nothing to worry about?
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Old Nov 8, 2007 | 01:50 AM
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Default Re: air/fuel and ecu questions (hectic57)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hectic57 &raquo;</TD></TR><TR><TD CLASS="quote">yeah that's exactly what it does...so there's nothing to worry about?</TD></TR></TABLE>

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