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Re: Ford Returnless Fuel System
Posted to Technical Discussion Forum on 7/21/2008 1 Reply

DIS high waste spark value shows bad spark plug wire

DIS ign primary signatures in parade , bad spark plug wire , possible failing coil

hindsight is 20/20 . but if you had used your trusty Ignition scope , you could have id ed the misfire and the open sp... Login to read more.

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