I HAVE CHANGED THE SPARK PLUGS AND THE AIR ...

1999 Chrysler 300

Tiny

Anonymous

November, 13, 2012 AT 6:19 PM

I have changed the spark plugs and the air filter. What more can I do to increase gas mileage

1 Answer

Tiny

DrCranknWrench

November, 13, 2012 AT 6:21 PM

Change all the oxygen sensors as they determine how much gas is sent into the engine. Old oxygenb sensors can make a car run rich and therefore not get as good a gas mileage.

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