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Where is the relay for the fuel pumps power source on an 1987 Subaru GL?
Wiki User
∙ 16y ago
first: i am repairing a fuel pump problem on a 1987 gl (carburated) presently..,.and i am having some confusing results with power(voltage)to the pump
second :the haynes repair book says that there are no relays on carburated fuel systems,,,nor are there pressure regulators(1984 -1990 Subaru 1600 and 1800 haynes repair manual ,section 4a -3)
third:...i am wondering if the ecm could play a role in powering this fuel pump circuit....of course it does....but is there any 'programed in' intellegence within the ecm that moderates power to the electric fuel pump???
fourth: and lastly on these carburated models1986---1987 does the fuel pump have power all the time...we know that fuel recirculate back to the fuel tank.....?
what are the feed back and controlling parameters in the fuel pump circuit?
answer the question with a question....eventually we will get to the bottom of this.
Wiki User
∙ 16y ago
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