relay problems?
#1
relay problems?
hi i have a 1992 f150 with a 5.8L engine and it is having problems the fuel pump does not shut off. i have already replaced the fuel pump and the fuel pressure regulator and still doing the same thing does anyone have an idea what could be wrong?
#3
November 2011 TOTM Winner
The eec puts a ground on the relay which in turn powers the pump. Try swapping out the relay.. its a shot.. but most guys that have had this problem have a bad eec.
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Dale Palmer (02-22-2014)