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emissions failed too much nox HELP

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Old 04-17-2003, 12:25 PM
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Default emissions failed too much nox HELP

its a 88 crx with a jdm b16. Spoon ECU, the numbers were
HC .3 standard- 1.6
CO 2.8 std - 15.00
Nox 3.1 std - 2.5

it cant be lean cause of my spoon ecu. what can it be??
Old 04-17-2003, 12:54 PM
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Default Re: emissions failed too much nox HELP (leadfoot78)

bump
Old 04-17-2003, 04:12 PM
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Default Re: emissions failed too much nox HELP (leadfoot78)

Not too lean, too rich.
I had to turn my fuel pressure way down to pass emissions.
Old 04-17-2003, 05:50 PM
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Default Re: emissions failed too much nox HELP (RosSi)

swap your stock b16 one into it and then see if you can pass it.

Blaze
Old 04-17-2003, 07:25 PM
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Default Re: emissions failed too much nox HELP (leadfoot78)

I suggest getting a stock ecu for that engine for smog purposes because the spoon programing is making the engine running rich. just my .02
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