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Engine Mechanical TopicsDiscussion for motor builds, cams, head work, stripped bolts and other engine related issues. The good and the bad. If it goes round and around or up and down, post it here.
Iv noticed the volt reading for the o2 sensors on my power vision are quite different between the front and rear o2. While the front stays pretty consistent .88+- volts, while the rear o2 volts are all over the place from .88 to .10 back and forth.
Is this a indication that I might have a o2 going bad?
Bike runs really good,Im getting 40 mpg, mpg not a big deal. I did Andrews 48 cams and had it dynoed last year when I had the pro pipe on it. Now I have a D&D exhaust on it.
the high number means the front is rich. the o2 should swing but the average should be .6 or so. if the sensor is locked, it is bad. front and rear will be diff, look at how the inlet is charged.
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