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307 Posts
i'm getting 12-13 mpg in my 3.5 liter trooper even with 40 psi in the 267/75 tires. I hope it will increase when i change my plugs, I currently have 93K miles.
If you are getting 18, you should be pleased.
Other things that may help are new o2 sensors, new pcv valve, and clean your EGR.
If you are getting 18, you should be pleased.
Other things that may help are new o2 sensors, new pcv valve, and clean your EGR.
