Fuel Economy?
Ba, Ha, Ha, Ha, Ha!!!
I'm lucky to be getting 10mpg. city driving.
I know what it is too---the throttle positioning switch--have to take
time, rip it out and replace it (Later model 85--single switch buried
under the throttle body.)
I remember both my older, no,computer, carburated Bugs, getting one hell
of allot better gas mileage than this bottomless money pit!

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Terry 85 GL