A question about a fuel pump main relay.

Asked by 44 Sep 22, 2021 at 01:15 AM about the 1989 Honda Civic DX Hatchback

Question type: Maintenance & Repair

I own a 1989 Honda Civic Hatchback (I believe DX) and I was wondering what
might cause a fuel pump relay (also called a main relay) to go bad. Could it be
a fuel filter that's clogged? A short in the car? Any information would be
appreciated.

1 Answer
26,255

taver91 answered 2 years ago

With a car that old, it probably just died of old age (either the relay or the pump). The filter, if it hasn't been changed a few times over its 30+ year life could cause low or no fuel flow but not cause the death of the pump. Do you hear the pump activate when you turn the key and start the car?

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