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Diagnostic Plug, What is there?

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Old 05-11-2007, 01:33 PM
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Diagnostic Plug, What is there?
I am looking for a list of what all the different plugs are for. I know I can read the O2 voltage from there but what are all the other ones for. Does anyone have a breakdown of the plug?
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Old 05-11-2007, 02:38 PM
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can you be more specific?
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Old 05-11-2007, 03:01 PM
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what year and motor?

The early models didnt have much. The later 22RE 88+? had more things like
-- fuel pump turn on
-- tach signal
-- Vf (EFI fuel trim)
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Old 05-11-2007, 03:04 PM
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hey wait can i read my O2 voltage from there, I need to know that.
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