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Its on the fuel rail passenger front. It looks like a small gold colored "Tea Candle" with a vacuume hose on top, and a larger fuel return line on the bottom. Its attached with 2 Phillips head screws and it has an O ring under it. There is a screen in there too.

You can Test it with a Fuel Pressure gauge.

Connect the gauge with a TEE where the fuel line ( rubber ) becomes a metal line on the top of the air intake. ( Passenger side near the back of the engine ) ( you need 1 TEE, a short piece of fuel line, the Gauge and 4 small hose clamps. ) Start the engine.

You should get about 35 psi on the gauge.

NOW disconnect the small vacuume line on the top of the fuel pump regulator, and your pressure should jump to about 44 PSI.

If it does, its working. That should save you about $ 80.00

You should feel vacuume on the line that you disconnected as well.

I hope that helps.

If you don't have 35 PSI, your fuel pump is bad in the tank, or a clogged filter or inlet screen in the tank.

Carl Stiles

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12y ago
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Q: Where is the fuel pump regulator located on a 1994 Honda Passport?
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