I have a 2002 Ford Explorer sport trac. When sitting at a traffic light,with my foot on the brake, my truck will actually lunge forward and backwards. I had the transmission rebuilt one year ago.

Asked by Sandy1460 Jul 30, 2015 at 06:13 PM about the 2002 Ford Explorer Sport Trac Crew Cab

Question type: Maintenance & Repair

4 Answers
65,510

firebird338 answered 9 years ago

Sounds like the engine idle is going up and down. Check air filter and clean throttle body, clean or replace Idle Air Control valve or mass air flow sensor depending on which one is on your vehicle. Replace fuel filter if have not done so in a while add fuel injector cleaner to gas tank and use the middle grade or high test gas to help clean out the gum and carbon build.

Best Answer Mark helpful

Sandy1460 answered 9 years ago

Is it possible it could be an electrical issue? The wire harness in the drivers side door is extremely twisted. I have other little issues from this wire harness.

Mark helpful
65,510

firebird338 answered 9 years ago

It is most definitely possible untwist wires and see if the coating on any of the wires are exposed or grounding out on one another.

Mark helpful

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