Question about 1994 Isuzu Trooper

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Fule pump can you tell me how to turn the fuel pump down on my isuzu trooper diesel,do you the screw in or out

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Generic to most pump controls, down increases pressure. If you are going to do this, I suggest you get a pressure gauge and connect it to the system and find out what the recommended pressure is. Turn adjustment in small increments 'till you reach proper pressure.

Posted on Dec 18, 2008

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