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Why no power at fuel pump replaced pump relay whats next its a 91 spirit?

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βˆ™ 2006-08-02 23:03:43

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If you are positive that there is no power to the pump, then the problem should be fairly straight forward to find. You have already ruled out a defective control relay, but have you checked for loose or corroded connections? Examine all the connectors for evidence of corrosion or looseness. Test for the presence of battery voltage at the pump's positive terminal or wire, and check for a bad ground as well. Of course there is a fuse to check. See if voltage is getting to the fuse, the relay, etc. If all this checks out then you may have a bad ECU. Rare but does happen. One other possibility is a fuel cutoff inertia switch (If Equipped) that has been tripped. Good luck.

2006-08-02 23:03:43
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