A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

What is the function of the ignition coil output controller?

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Old Mar 21, 2002 | 07:24 AM
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Default What is the function of the ignition coil output controller?

The ovel unit on top of the airbox.
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Old Mar 21, 2002 | 08:53 AM
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Default amplifies spark signal coming from ECU to coils...

search for N122 on the AW search. You'll find some info.
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Old Mar 21, 2002 | 10:49 AM
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dude, do you know the specs of the coil packs? how much kV?
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Old Mar 21, 2002 | 12:20 PM
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Default nope...but www.ignitionsolutions.com has some pretty graphs...

did you see the post from someone (i think it was James R) who went through the roof when he saw the price of the N122 i.a.? Whoever it was said it was a fairly simple MOSFET arrangement with a heatsink that should NOT cost $300 from a dealer.

I am no ignition expert, tho.

Did have some interesting conversations with both MSD and Ignitionsolutions guys. They both have products for our cars, but I have no idea how to judge their usefullness. At least IS's stuff is plug and play...MSD requires some serious wire hacking.
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Old Mar 21, 2002 | 01:34 PM
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Default i've looked into both but i'm really not a big fan of multiple spark 'technology'

its like splitfire/multiple tip plugs. you only need one big motha spark =). already called nology - nothing on the drawing board =(
the n122 should be a simple circuitry - it doesnt do much plus since it heats up that much i dont think it can be more than just an igniter (with a max of 8krpm *tee hee*). maybe off season i'm going to try to 'upgrade' the n122. i'm no expert, just the typical curious cat =P
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