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International Automotive Technicians Network
Re: Ford EEC-IV TFI issue
Posted to Technical Theory Forum on 4/8/2019 1 Reply

[1991 Ford F-350 XL, Ignition Waveform]

[1991 Ford F-350 XL, Ignition Waveform]

Have a look at this capture. I have a Yellow trace voltage probe on the Coil "-" wire and a current probe on the same. Here you can see that the coil only releases it's ener... Login to read more.

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