My ranger is wasting to much fuel, 16mpg hwy - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 07-10-2012
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My ranger is wasting to much fuel, 16mpg hwy

Hi I have a 4cyl 99 ranger and its ruining my pocket, it used to do 20 to 21 highway and now its doing 16 miles per gallon. I run it at an avg 50-60mph and it still burns a lot of fuel.

any suggestions?? thanks
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Old 07-10-2012
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How many miles? A tune up may be in order. Plugs, wires, fuel filter, clean maf, clean throttle body, etc.
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Old 07-11-2012
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Time for a tune up and check tire pressure. Lots of things can affect gas mileage. Are you carrying more weight in the truck than you normally would?
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Old 07-11-2012
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x3 on the tune up.
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Old 07-11-2012
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It has 190k miles
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Old 07-11-2012
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Nope I just carry my jetski on weekends nothing else
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Old 07-11-2012
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Heres a list ive compiled from threads like this:


Oil / filter change
fuel filter
air filter. dont need KN just solid brand
plugs & wires
serp. belt with new idler & tension-er pulley
Clean MAF Sensor
02 Sensors
Change Tranny Filter and Fuild
Change Rear end Fuild
Dump a bottle of Seafoam in her
Coil Pack
Bump up tire pressure
Clean your throttle body and manifold
Open up the air box
remove A/C all together
clean IAC sensor


you do this and itll make a world of difference, little in power but definitely in MPG!
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Old 07-11-2012
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Quote:
Originally Posted by rangerrunner11 View Post
Heres a list ive compiled from threads like this:


Oil / filter change
fuel filter
air filter. dont need KN just solid brand
plugs & wires
serp. belt with new idler & tension-er pulley
Clean MAF Sensor
02 Sensors
Change Tranny Filter and Fuild
Change Rear end Fuild
Dump a bottle of Seafoam in her
Coil Pack
Bump up tire pressure
Clean your throttle body and manifold
Open up the air box
remove A/C all together
clean IAC sensor


you do this and itll make a world of difference, little in power but definitely in MPG!
start with a air filter, clean the intake and MAF sensor. do a bottle of seafoam then replace plugs AFTER seafoam. Fuel filter is a big one. Start there. no need to go to too much extremes.
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