VX was stumbling in lean mode. Unplug sensor and stumbling went away. Then I put in the new L1H1 Stamped o2 sensor and the car runs very good now. I drove the car stumbling like that for 3 months....I should have unplugged the o2 sensor....I was getting 35-40 mpg on highway. I cannot wait to see what I get now.
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1992 Honda Civic VX 220,000
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