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Old 01-27-2013, 07:44 PM   #2715
'Flagger
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Joined: Mar 2004
Location: Columbus, OH
Oddometer: 2,289
Quote:
Originally Posted by Ed@Ford View Post

One thing I WOULD like to understand is how the second exhaust gas oxygen sensor is used on this engine....RamZ describes it in Honda literature....but I still don't understand the "whys".....and it better be a good explanation...oxygen sensors are not inexpensive....their value is in $$ not cents.
Service manual shows only a single O2 sensor, up near the exhaust outlet from the head.
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