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You're up against several myths here.
1) There's no fuse you can remove to disable the main fuel pump without also disabling the fuel injection system.
2) Fuse 6 is not for the main pump on your vehicle despite the note on the panel cover. That note, in parentheses, refers to the K-jet version sold in other markets.
3) Unplugging the relay you're looking for won't disable the fuel pump either, without also shutting off the engine that you hope will consume the excess fuel pressure.
4) Identifying relays by the color of the case doesn't work. That "white" relay is sometimes black. Maybe other colors too... Best identification of a relay is done by matching up the wire colors at its socket. It is located above the passenger's right toes.
5) The need to relieve the pressure is exaggerated. There is only about a teaspoonful of fuel behind the fuel pressure regulator's spring. That's the amount under pressure. A shop rag wrapped around the first joint you crack will absorb it. Wear goggles. Work outdoors. You'll be underwhelmed.
If, for educational purposes, you really want to run the car out of fuel pressure, the disconnect for the main pump is under the rear seat. But the car still dies before all the pressure is reduced, because it can't run once the mixture is too lean.
And replacing the FPR isn't too bad a job, but doing the fuel filter is maybe more than you anticipate.
--
Art Benstein near Baltimore
If tomatoes are technically a fruit, is ketchup a smoothie?
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