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Re: 1989 Ford E150 5.0 code 33
Posted to Technical Discussion Forum on 11/25/2003 1 Reply

Hi Mike,

Is this the system that uses just one solenoid to operate the valve?If so this is a pulse width or duty cycle system and you probably won,t see the full voltage drop and current draw you expect while the PCM has [...] you manually ground the solenoi... Login to read more.

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