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05-20-2009, 03:11 PM

allenm100

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p0411

My buddys 94 mrk8 has a 4.6 and has a secondary air problem? was is secondary air?

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05-20-2009, 03:51 PM

StrangeRanger

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The Thermactor (i.e. smog) pump and the nozzles which inject air into the exhaust ports and/or feed it downstream to the second catalytic converter

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05-20-2009, 04:24 PM

fordguy29360

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wow an i didn't even know that much.. Now i feel smarter already lol

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