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International Automotive Technicians Network
Re: Ford 5.4L misfire identification
Posted to Technical Tips Forum on 9/16/2017 3 Replies

[2007 Ford F-150 FX2, Ignition Waveform]

With a 4 channel scope, you can scope 4 COP primary spark plug burn times on 1 bank, then the 4 COP primary spark plug burn times on the other bank. The 1st wave form is at idle with no misfires.

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