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What would cause super high fuel consumption only when idling?

Home Forums Stay Dirty Lounge Common Problems/Pattern Failures What would cause super high fuel consumption only when idling?

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    Jon C.Jon C.
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      2007 FORD EXPLORER V6 4.0

      What would cause super high fuel consumption only when idling?

      No exaggeration, after 2 hours of idling it will consume 10 gallons of gas!!!

      *No OBD2 faults
      *Engine runs good
      *No gas smell
      *Idle RPM 850-1000
      *11-12 MPG City / 15-18 MPG Highway

      *** I’m not crazy! 😜 I’ve owned this vehicle for a couple years now and have always had issues with a burning a lot of fuel, when left to idle for extended period of time.

      Now that the summer is here I’ve been letting the car idle more often to run the AC and noticed it’s burning even more fuel than it used to! ***

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