I went 300 miles on 13.6 gallons of gas. I was getting 380 miles per fill up. I havent changed my driving habits,but I did put an 02 sensor spacer on the front 02 sensor, because another beetle driver said he got better gas mileage when he installed his spacer and now I have an check engine light for the front sensor and he doesn't, We both have a 99 beetle 2.0 automatic, whats up with that?
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