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Air to fuel ratio
I was in a friends Niissan Sentra SE R Spec-v the other day. He had a wide band O2 sensor installed and a little screen with the readout and a knob on it. He said that he could adjust his A/F ratio by turning the knob. Now I know just enough to know what all that means, but will that actually help anything. Besides from not knowing what you're doing, I know that running too lean or too rich would be a bad thing. Anyone have any experience with these things? I'm assuming the unit with the knob just changes the resistance values that the O2 sensor sends to the ECU, thereby changing the A/F ratio. He doesn't have a turbo or anything, but it is cammed rather mildly.
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*TOTALED* - 2000 Olds Alero Sedan - 3.4L 3400 V6 - WAI - Sony Head Unit -
NEW RIDE - 2005 Buick LaCrosse - 3.8L 3800 Series III V6 - WAI - Muffler/Resonator removed -
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