been checking this forum for a couple of months. got my tch about a week or so after i first visited this site. have been concerned/discouraged over my fuel econ rating, not getting nearly as much as most of you guys. so after reading as many post on this topic as i could find. after finding the econ button, and running with the recirc on the a/c, and getting a couple thousand miles on it, the best i could get was 32 mpg. about a week and a half ago the low tire pressure light came on, after checking and filling all my tires to 40-42 lbs. i believe i can say that this appears to be the fix. lowest mpg has been 36, running around locally, and on a four hour round trip, clipped off 46 mpg. now thats what i was looking for when i bought the car. thanks for all the help, even if you didnt know you were helping. jmorris.

Welcome. There's a collective TCH knowlege base here that's unbeatable: smart, supportive, clever and informative. Sure beats politics.

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i believe i can say that this appears to be the fix

That may be true, but most every "newbe" seems to go through this learning phase and I believe that may contribute to "exceptional" milage more than the physical adjustments you make. I run my tires at 36 mpg, always have the A/C on (in ECO, recirculating mode), always have. My milage continues to improve as I become more habitual in using hybrid driving techniques. I still catch myself accelerating and not backing off the throttle and when I do correct it I usually can see an immediate instant FE improvement of 10 to 20 mpg. It amazes me when I see this and even more amazing to think that several small actions can add up to such a significant overall improvement.

I wan't looking for 46mpg (just 38 mpg) but if I found that like you did then WOW.