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Old 06-26-2008, 12:59 PM   #10 (permalink)
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Originally Posted by ttoyoda View Post
Measure the value of his resistor. Get a resistor of the same value for a penny and try it yourself. I think it must be a pretty high value resistor to make a difference, because the input resistance of the ECU must be very high. Now if you are talking about injecting a voltage into the O2 sensor wire, that is something else.

Are you suggesting pulling up the signal with a voltage gain?

2006 Kia Rio

1996 Ford Aspire
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