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Master
1,623 Answers
- Posted on Dec 30, 2011
Re: Average feul mileage is only 9.4 mpg./why?
Could be a combo of components that are causing your poor fuel mileage.
Dirty air filter is the 1st thing to check - after that.
1) Oxygen sensor
2) Knock sensor
3) EGR valve
4) Spark Plugs/ Wires/ Ignition components
5) Restricted Exhaust
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