5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

why do i olny get about 11-12 mpg

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Old 02-16-2007, 12:20 AM
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BlackBetty93GT
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Default why do i olny get about 11-12 mpg

hey i have been reading and most guys get about 17-25 mpg in their foxes...i only get about 11 or 12 sometimes 9 or 10??

my stang is stock too, whats the problem?
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Old 02-16-2007, 12:21 AM
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AdderMk2
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Default RE: why do i olny get about 11-12 mpg

possibly a bad o2 sensor, bad ACT sensor or even a bad ECT sensor...

an auto repair shop with a diagnostic reader like the Snap-on brick, or Ford NGS system could better diagnose a bad sensor
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Old 02-16-2007, 12:24 AM
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dillon1340
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Default RE: why do i olny get about 11-12 mpg

i only get like 15 but i bet it's the way i drive
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Old 02-16-2007, 12:26 AM
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BlackBetty93GT
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Default RE: why do i olny get about 11-12 mpg

yeah well when i drive it hard i could understand why it gets bad milage, but i have actually been takin it easy to get better mpg but its not workin...how much are o2 sensors?
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Old 02-16-2007, 12:30 AM
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90mustang5.8
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Default RE: why do i olny get about 11-12 mpg

ORIGINAL: BlackBetty93GT

hey i have been reading and most guys get about 17-25 mpg in their foxes...i only get about 11 or 12 sometimes 9 or 10??

my stang is stock too, whats the problem?
b/c you have a 5.0L it can't be fast and good on gas
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Old 02-16-2007, 12:32 AM
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BlackBetty93GT
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Default RE: why do i olny get about 11-12 mpg

yeah i know it cant be fast and good on gas, but other 5.0s get better mpg and its the same car
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Old 02-16-2007, 12:35 AM
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TwotoneVert
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Default RE: why do i olny get about 11-12 mpg

Check the timing, are you running too rich? Tire pressure, sensors, gears, what about clogged cats? There are anumber of things that play into fuel economy.
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Old 02-16-2007, 12:51 AM
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84redfox
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Default RE: why do i olny get about 11-12 mpg

Is your gas gauge broken. Mine is, and according to mine I usually get 11 and sometimes less than 10 all the time.
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Old 02-16-2007, 12:53 AM
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92hatchLX
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Default RE: why do i olny get about 11-12 mpg

Driving habits?
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Old 02-16-2007, 01:03 AM
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BlackBetty93GT
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Default RE: why do i olny get about 11-12 mpg

hmm i reckon it could be clogged cats...but im gettin rid of them soon anyways....as soon as i can kind a real cheap h or x pipe
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