I have a 2006 Ford F-150 5.4 pickup. I brought a motor out of a 2005-2006 Expedition. A friend of mine put the motor in and when its running its running ruff at idleing and driving around its useing more fuel. Could it be the plugs or the coil pack mybe the Crank sensor is Bad? Im Retired and not a Mech can you help?
My car has 26600 miles.
My car has an automatic transmission.
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