fuel pump going out
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Junior User
Joined: Oct 2006
Posts: 63
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From: jasper,GA
fuel pump going out
i have a 89 f-150 with a 302fi and duel tanks. when bought the truck the previous owner said the rear tank didnt work. well i tried it going down the road and the truck ran fine,except at idle there was a kinda whistling noise coming from the driver side,near the firewall under the hood. could this be a faulty low pressure intank pump, and the rail high pressure pump straining? any help would be helpful
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Joined: Dec 2004
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Originally Posted by cuztom79
i have a 89 f-150 with a 302fi and duel tanks. when bought the truck the previous owner said the rear tank didnt work. well i tried it going down the road and the truck ran fine,except at idle there was a kinda whistling noise coming from the driver side,near the firewall under the hood. could this be a faulty low pressure intank pump, and the rail high pressure pump straining? any help would be helpful
Test the fuel pressure on the rail, you should be able to find information on this site about testing that. But if it runs fine then you shouldn't have a prob. Just make sure to use the gas in the rear tank first, if it does go out you can then switch to the front tank
