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Old 04-13-2007, 15:37   #1 (permalink)
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confused 89' ranger 2.9 v6--- bad gas mileage

i got an 89 ranger with a 2.9l v6 engine in it and im getting like 9-10mpg if im lucky 11mpg. i looked up what its supposed to be getting and it supposed to get around 16-18, i got a k&n air filter on it dual exahaust and just put it in a new map sensor. could someone please tell me what could be wrong with my truck... please!
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Old 04-16-2007, 00:44   #2 (permalink)
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Re: 89' ranger 2.9 v6--- bad gas mileage

could be alot of things mate!
could be your O2 sensor or fuel injectors!
my bet would be to stick it on a dyno and see what the air / fuel ratio looks like than go from there!
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Old 04-16-2007, 03:46   #3 (permalink)
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Re: 89' ranger 2.9 v6--- bad gas mileage

thanks man, the 02 sensor is quite new on it and i just bought bosch pltinum 2 series spark plugs, see how those will work and im probably gonna get new wires too.
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