If your O2 sensor dies your mixture will become richer than it has to.
This way you burn more fuel.  Other things the can lead to more fuel
consumption... drag racing, driving though mountains, driving thru the city
etc etc.

At 00:11 5/10/98 -0700, Joseph Tu wrote:
>Hello,
>
>Please reply! I just want to know what can cause or lead to an increased
>fuel consumption.
>
>Thanks,
>
>Joe
>
>

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