Recently, my mileage has dropped to 45 from my lifetime of 55. It seems that it has been lower ever since the recent ECM recall was performed. I keep my tire inflation in the 40's (so I don't think it's that). I did read a few postings about a MCM reset, but couldn't find out much more on how to do one, or if I should. I've also read about using Arco gas being bad (I live in CA), and I use it occasionally, but I not regularly. Any ideas??? Thanks.
Reduced MPG
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