The fuel pumps run after shutting the car off. I opened the hood and tapped on one of the black boxed behind the battery and it went off. Do you think I need a new Fuel pump relay? If i dont do anything, the pumps eventually stop.

Please advise.

Andy

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93 300D 2.5 Turbo, Black/Palomino 273K
09 E350 Black/Black 41K