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Re: 97 Toyota 4-Runner 3.4L 5VZFE Fuel Pressure Regulator Operation?
Posted to Technical Discussion Forum on 1/28/2001 2 Replies

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Not always.

When the regulator diaphrams rupture on our F250/350 5.8's it almost always hydrolocks the #4 cylinder because of the intake design, but when they rupture on the 2.9 V6 engines it fouls ... Login to read more.

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