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Tech Article

Audi C5 A6 Quattro 4.2 V8 How to Find the Fuel Pressure Regulator

Last Updated: 09/24/2017
Parts Group: Fuel pressure regulator
This article discusses how to find the fuel pressure regulator for the C5 Audi A6 Quattro 4.2 V8 as made from 1999 to 2004.

The part looks like a small brass-colored cylinder perhaps an inch or two long, mounted atop the fuel rail at the rear passenger side. It's more easily visible if you remove the center engine cover.
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