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EFI – Fuel pressure regulator

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PURPOSE
The fuel pressure regulator is a component that regulates the pressure in the fuel rail and also removes the excess pressure and recycles the fuel back into the fuel tank.  The fuel pressure regulator alternates the pressure on idle and full throttle.  This is a physical component.

THINGS TO LOOK FOR
A fuel pressure regulator should have a vacuum hose connected to it.  If not, this will affect the performance of the fuel pressure regulator.  Also a power loss or a non start may occur due to a faulty fuel pressure regulator.

IS IT EXPENSIVE TO REPAIR?
A fuel pressure regular costs around $80.00-$90.00 and is best fitted by your local mechanic.
TEMPORARY REPAIR AND LONG TERM REPLACEMENT
A fuel pressure regulator can be replaced but it has to be proved that the regulator is faulty and this can be difficult.

This article is found in the Virtual mechanic CD Rom
You can download it for the price of a latte, but you will learn not to buy a lemon
By Darren Gow-Brown, Melbourne Australia ©2009

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