how to improve gas milage on 3.7L jeep liberty engine?

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Answered: Dual exhaust help gas milage

In general, adding dual exhaust alone will not help. It will reduce backpressure on the engine, but unless you get the air/fuel mixture re-adjusted, it won't help much. If you get the fuel/air mixture optimized after the modification, you could gain a couple miles per gallon and some performance.

Answered: How can you get better gas mileage for a 1998 chevy s-10 ext cab? right

If you're city driving in stop and go traffic, don't expect much more. If you're driving on the open road, I would make sure the timing is correct, the plugs are good, the fuel system is clean, etc.

Answered: Is there research that supports Techron increasing gas mileage?

In a practical sense, relative to using truly competitive products, probably not. Compared to some crap no one would use anyway, it probably would appear to help.

Answered: Engine Size

i think 4.2L or 4.0 maybe

Answered: What engine has the same rear bolt pattern as a 1960's era Volvo 2.3L

What engine has the same rear bolt pattern as a 1960's Volvo 2.3L? Depending on application, that could be their rock crusher, which interchanges with Continental 227AV 100 HP Diesel. It is a durable little 3-cylinder and has few problems. Volvo also made a 2.3 L diesel used in refrigeration. It ...
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Headlights and dash lights cut off 2002 liberty Any thoughts on what

i have the same exact problem in my 2002....seems to much worse in cold weather...if i dont let the car warm up for AT LEAST 10mins..im flashing lights the whole way to office. these stupid american vehicles, i have repaired/replaced more components on this vehichle than my five previous cars ...

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