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New 2023 Sinnna Fuel Economy for first 500miles?

1481 Views 6 Replies 5 Participants Last post by  cougarhound, 
RMP
We got the New Sienna 2023 15 days back - now the odometer is 350 miles but still i see the fuel economy of 28.7mpg what is the issue ?
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C
check your tires and the engine has to break in. I run my tires at 40psi.
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