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>> I have a '70 squareback which has been getting pretty bad mileage. I >> think that it is maybe running to rich. I put my hand behind the >> exhaust and some wet dark brown to black stuff gets on my hand. Does >> anyone know how I can adjust my mixture (if I can)? Or if that is even >> a result of running rich? >What kind of gas mileage are you getting? I haven't measured it exactly yet (too depressing), but I can go about 100-120 miles per tank, 10 gallon tank so I guess 10-12 mpg. >One common problem with this FI system is that it runs rich if the charging >system voltage is low. This tends to happen as the voltage regulator ages. I just bought it a few months ago so I have no idea about the age of the regulator. >You can check this by measuring the battery voltage with the engine warm after >a drive and at medium rpm. It should be above 14 V; if it is below 13.5 V, >replace the VR with a Bosch 30-019. I just checked the voltage, and it was about 13.8-14.3 volts. Odd huh? Geoff "70 squareback ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~