Poor MPG tried everything - need advice - Toyota Yaris Forums

mirageman · 04-21-2019, 11:14 PM

I realize this thread is almost 2 months old, but I can't resist. I have never fallen below 34mpg, even in my dead-cold upstate NY winter, with snow tires and 15-20 minute warm ups for the kids waiting for their school bus. Summertime I easily get 45mpg. Hypermiling gets 48.5. Mine is a manual trans though. You must be idling a LOT, running way cool, perhaps previous owner tweaked something like the cat conv. Spark plug color/condition will tell you a lot. 20s? No way, unless you have a gas leak while driving!

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04-21-2019, 11:14 PM	#1
mirageman Drives: 2009 yaris Join Date: Feb 2016 Location: poughkeepsie ny Posts: 48	I realize this thread is almost 2 months old, but I can't resist. I have never fallen below 34mpg, even in my dead-cold upstate NY winter, with snow tires and 15-20 minute warm ups for the kids waiting for their school bus. Summertime I easily get 45mpg. Hypermiling gets 48.5. Mine is a manual trans though. You must be idling a LOT, running way cool, perhaps previous owner tweaked something like the cat conv. Spark plug color/condition will tell you a lot. 20s? No way, unless you have a gas leak while driving!