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Re: 1989 Ford Truck, EGR quits, sets code 33
Posted to Technical Discussion Forum on 12/2/1999 1 Reply

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If it's a guess you want then here goes. :) Your image shows the EVP changing from 1.1 volt to 5 volts. It should not reach 5 volts and fully closed should be under 1.1 volt. Light throttle I would ex... Login to read more.

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