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Old 09-16-2011, 10:20 AM   #27
Adger Smith
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Join Date: Dec 2001
Location: Texarkana Ark/TX
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Default Re: Testing coils on a coil over plug system?

Joe,
What I don't understand is he is getting lean 02's even when he is going rich on the settings. I keep thinking it is something to do with the coils not having good enough output (or a signal) to fire the plugs and he has more 02 in the pipe because the engine is an air pump when the plug doesn't fire... ???
Sensors don't read raw fuel, but they read raw air...right? Any ideas?
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Last edited by Adger Smith; 09-16-2011 at 10:20 AM. Reason: sp
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