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Old 03-26-2015, 07:43 PM   #21 (permalink)
101Volts
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Join Date: Dec 2012
Location: Pennsylvania
Posts: 506

Woody - '90 Mercury Grand Marquis Wagon LS
Last 3: 19.57 mpg (US)

Brick - '99 Chevrolet K2500 Suburban LS
Last 3: 12.94 mpg (US)

M. C. - '01 Chevrolet Impala Base
90 day: 17.09 mpg (US)

R. J. - '05 Ford Explorer 4wd
90 day: 16 mpg (US)
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Update: I got the first fuel economy reading: 12.09. However, that's with a leaky fuel injector on part of the tank and with cold weather and usually a bit of idling to prevent engine damage.

I'm still replacing the transmission fluid with some Valvoline Full Synthetic. ($16.97 per gallon at a nearby Walmart.) The fluid has been getting cleaner with every time I replaced it in the pan, though even after three changes it was still brown. Is it a 12.5 quart system? I read somewhere that it is. I used to have a difficult time just moving the transmission lever which got easier after changing the fluid in the pan just once.

I also have the ScanGaugeII plugged in to it and the pre-heater (if it's working; it seems to work) is used before I start up the vehicle. I'm not sure what the heater goes to though - if it goes to the engine coolant it doesn't work (no difference in temperature.) But maybe it goes to the oil pan?

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Last edited by 101Volts; 03-27-2015 at 11:24 AM..
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