Fuel and Fuel Intake
Fuel Pumps
Chevy Suburban
Honda Prelude SI

Where is the fuel pump relay on a 89 Honda Prelude 20si?

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2006-04-02 11:35:13
2006-04-02 11:35:13

It should be under the dash and takes 5 mins to swap out, matushita RZ-XXXX it is called the "main relay" which does both the fuel pump and ignition. Assuming this is fuel injected. Just replaced mine in my 86 Si and it fixed problems with the pump not coming on all the time when starting. $70 from the dealer.

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