Question about 1997 GMC Sonoma

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My truck turns on but the fuel pump make a weird noise and then turns off.... i changed the fuel filter but it still does it..... what could it be????

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Worn out fuel pump

Posted on Mar 17, 2011


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I have changed the fuel pump and got some pressure but then it wouldn't start again so I changed the fuel pump again but this time I changed the fuel filter but the car wouldn't start and I'm not getting...

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Have you changed the fuel filter? I know it sounds weird but a plugged filter will make a truck use more gas. The computer tries to compensate for less fuel by commanding the injectors to open longer. Also a plugged filter will cause excess back pressure on the fuel pump making it loud.. Good Luck.

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