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Re: Using the O2 Sensor to Diagnose Lean or Rich Cylinders
Posted to Technical Theory Forum on 2/8/2018 1 Reply

I ran across this patent from 2000: [...] [[...]]

Individual cylinder air/fuel ratio control based on a single exhaust gas sensor

US 6382198 B1

Abstract

An improved internal combustion engine fuel control wherein a single oxygen sensor responsive to th... Login to read more.

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