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system lean

  1. J

    Hard cold start

    I have a 2000 Explorer Eddie Bauer v6 vin E that has been having problems when first starting up. It started during the winter when it would get below 30F but has continued into the spring months. When I try and start it one of three things will happen: It will start and immediately rev up to...
  2. M

    Multiple Cylinder Misfires 1, 2 and 3 and System too lean on Banks 1 and 2

    I am having multiple issues with my 1997 Ford Explorer. Engine = 4.0 SOHC, Vin E. I am by no means a mechanic, but I can do my own work. When I first start the engine, the RPMs highly fluctuate, a heavy vibration, and the engine rev's on its own. I have been experiencing very low MPG and...
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