Weird, very weird. I had an '84 that I put a 2.1 in. Everything was fine for a long time. I ran the 1.9 cooling and kept the Digijet FI, and then one day my MPG went down to like 11! Never did figure it out, sold the van. Jeff Stewart ----- Original Message -----
> Mileage has dropped to 13mpg (usually close to 20).
> Also, Occasional hesitation w/ tach drop.
> Driving to Seattle next month and could use improved economy. Possibly
> two problems at once?
> Going to check O2 sensor. Could be hesitation is ECU? I have a spare I
> can plug in.
> Karl Wolz
> Sent from my electronic umbilicus