GXP fuel mileage ??
#6
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Join Date: Jul 2008
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well something aint right man i get 15-16 mpg and i have a moderate heavy foot... i had my mass airflow sensor replaced recently u think that would have something to do with it?
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#8
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#11
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Damn, when stock my car was making about 500-550 a tank but i was driving across the country. No stops only for gas, all highway for the most part. Now im lucky to get anything over 220 a tank. i know not a GXP but our numbers shouldnt be that far apart. Yea it would load for me all day yesterday.
#15
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This last tank is the 1st time I've got less than 18mpg in the 13K miles I've owned this car.
I got 17.0mpg but I've been "testing" my 275/40/17 MT drag radials out this tank.
I got 17.0mpg but I've been "testing" my 275/40/17 MT drag radials out this tank.
#16
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I actually had 13mpg for a while when I had AFM turned off and stayed in the city.
#17
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According to the DIC I've been getting 18-19.5 mpg lately combined. Best I've gotten was 26.x on the way to SoCal before. Worst I've got was 15MPG out of a tank.