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Old 03-02-2018, 02:47 AM   #1
BigPierson
 
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Default Fuel pump relay under the hood is clicking

My 1997 Nissan hardbody

My fuel pump relay under the hood keeps clicking I have traded it out but yet still clicks however so far as not affected the driving..

Anyone have any suggestions ??
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Old 10-16-2019, 04:23 PM   #2
bradfinger
 
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I'm having the same issue, but not causing a mechanical issue (that I can tell). It only does it when the truck is moving.
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Old 10-17-2019, 03:52 AM   #3
cadillacdude1975
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Check the fuel pressure and see if it remains steady.
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Old 10-17-2019, 04:01 AM   #4
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Check your power and ground on the control side of the relay. The positive side should be hot at all times and the ground is activated by the ECU to turn the pump on. It should be grounded any time the key is on.
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