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Jeep TJ Forum Third generation of the classic Jeep - manufactured since 1997. Known by the coil springs and round headlights. Includes the Rubicon and Unlimited editions as well

fuel economy

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Old 11-21-2008, 12:40 PM
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Default fuel economy
I recently purchased a 98 tj sierra with a 4 litre engine, has anyone increased their fuel economy with aftermarket products ie, cold air kits,throttle body spacers
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Old 11-21-2008, 02:31 PM
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Default Re: fuel economy
Proper maintainance and a light foot are probably the best & cheapest way to optimum fuel economy
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Old 12-11-2008, 11:50 PM
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Default Re: fuel economy
run some fuel injector cleaner through the system to improve the mist pattern, as well as change your plugs... Bosch Platinums increased my fuel mileage by a bit...
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Old 12-27-2008, 05:38 PM
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Default Re: fuel economy
A cold air intake, headers and a high flow exhaust will help also.
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