Friday, September 5th, 2008 AT 10:46 PM
MY EXPEDITION JUST STARTED TO JUMP A LITTLE WHEN IDLING AT AT RED LIGHT OR STOP SIGN. THINKING I GOT SOME BAD GAS AT WALMART. WILL A DIRTY FUEL FILTER MAKE IT DO THAT BECAUSE SOMEONE ELSE SUGGESTED IT IT PROBABLY A BAD SPARK PLUG OR WIRE