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International Automotive Technicians Network
Re: FUEL TRIM = CORRECT GAS MILEAGE?
Posted to Technical Theory Forum on 8/3/2008

Hi Jason.

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I'm sure it's not a lot in most cases but like everything else...it depends. Just did one last week on a Ford Ranger PU. The car was in for unrelated complaints. The fuel filler neck hose... Login to read more.