Unfortunately the estimate may be right. As pointed out, the engine needs to run to heat up the cat converter. So you pay a big price. In pollution as well by the way. A Prius would get about the same MPG. Sad fact of life. Wish ERDTT wasn't needed. On a trip it won't matter since you're covering a lot more ground and the engine is a lot more efficient.
Getting 7 MPG while in ERDTT...
Seems a little low.
You would figure the engine wouldn't run so rich while cold (30 degrees F) - (more fuel = lower combustion temperatures). Only drive one or two miles in ERDTT (for about 5 minutes) but, what a hit to MPG.
I'm thinking the gas "guess-O-meter" may be off and needs to recalibrate.
You would figure the engine wouldn't run so rich while cold (30 degrees F) - (more fuel = lower combustion temperatures). Only drive one or two miles in ERDTT (for about 5 minutes) but, what a hit to MPG.
I'm thinking the gas "guess-O-meter" may be off and needs to recalibrate.
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