2006+ no secondary air injection system
Out of curiosity, the 2006+ s2000's no longer have the secondary air injection system.
What do they replace it with? It doesn't look like it's replaced with anything, so how are they achieving reduced emissions at cold start up? Isn't the secondary air injection required by emissions laws? |
IIRC 2002+ ap1's dont have the air pump either? Ive heard the 2000 and 2001 ap1 ecus run rich. Maybe the air pump was there to compensate for early model tunes from the factory?
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dbw TB and ecu modifications to meet requirement standards.
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Air pump present 00-05.
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Originally Posted by noodels
(Post 24590738)
dbw TB and ecu modifications to meet requirement standards.
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Have on my 04-05.
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its in the fuel tables from factory ecu,thus built in for regs
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pps its only there to heat up the cat
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Right, heat up the cat for a couple of minutes at cold start.
So how is an ecu modification heating up the cat at cold start without the secondary air injection? I'm curious about the actual method that allows them to completely remove secondary air. |
A module or a resisitor in place.
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