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1989 motorhome it has a lost of power up small grades and on flat land and it pops from the engine can anyone tell you what cause that?
Wiki User
∙ 14y ago
My 1989 equipped with a 454 did the same thing. After removing the fuel tank from the thirty foot rig for the third time, I discovered that the fuel pump in the tank was not working. This rig has a mechanical fuel pump on the engine and a electric (pusher) fuel pump inside the tank. I traced the problem to a bad fuel pump relay. After replacing the relay this thing runs awsome! The relay on mine was just laying on top of the engine plugged into a five wire harness. Very visable after removing the "dog house."
Wiki User
∙ 14y ago
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