What is a fuel pressure regulator?

Typically located on or near your firewall and attached to your metal fuel line tubing, the fuel pressure regulator houses a spring operated valve that will open if it feels the excessive vacuum forces of too much fuel in the lines. It then allows the extra fuel to run into a reservoir where it will be safe and reduce the pressure in the lines. The fuel pressure regulator is responsible for keeping your fuel lines at a constant pressure rating while also preventing the use of too much fuel during acceleration, deceleration, and other emission heavy operations.

What can go wrong with a fuel pressure regulator?

Because of its simple design and dependence on vacuum forces, the fuel pressure regulator does not frequently have problems. If a problem does occur within the regulator, it will involve the spring valve and may mean that it can't close because of a clog, a worn spring, or maybe a leak due to corrosion. Other closely related fuel pressure gauge problems would be a clog or leak in the lines attached that impeded the flow of fuel or vacuum pressure through the lines.

How will I know there is a problem with my fuel pressure regulator?

You will know there is a problem with your fuel pressure regulator from several noticeable symptoms. There will most likely be hesitation during acceleration, excessive load up during deceleration which may cause backfiring or emission odor, and you may even experience a choking sensation like the fuel or air is being completely cut off from the motor at times. Some vehicles may give you a warning light or trouble code to identify the problem.

It sounds simple enough, right?

That's not necessarily true. If you have ever had a problem with you fuel lines, you can understand the gravity of the situation. It's very difficult to troubleshoot problems in your fuel lines. If your pressure gauge or fuel filter do not show easily detectable signs of failure, then you may end up following and inspecting your entire fuel line for the problem. It can take quite a lot of time when all is said and done. It is quite often a good idea to consult with a local mechanic or technician for troubleshooting or diagnosis.

Are there any tips that may help?

We can offer one quick and simple tip that may help you troubleshoot the function of your fuel pressure regulator. When testing, you can attach clear hose or tubing to the entry and exit points of the regulator. This will allow you to physically see any leaks or problems that may have otherwise been concealed.

Latest GMC Fuel Pressure Regulator Applications

	Fuel Pressure Regulator 96 - GMC Jmmy 4-DR 4WD V6 4.3 V6 4.3 Fuel Pressure Regulator		Delphi Fuel Pressure Regulator 96 - GMC Jmmy 4-DR 4WD V6 4.3 V6 4.3 Fuel Pressure Regulator
	Fuel Pressure Regulator 96 - GMC Sonom Reg 4W V6 4.3 V6 4.3 Fuel Pressure Regulator		Delphi Fuel Pressure Regulator 96 - GMC Sonom Reg 4W V6 4.3 V6 4.3 Fuel Pressure Regulator
	Fuel Pressure Regulator 98-99 GMC C1500 Pickup Reg Cab V8 5.0 Fuel Pressure Regulator		Fuel Pressure Regulator 96 - 00 GMC Sonoma 2.2 L4 2.2 Fuel Pressure Regulator
	Fuel Pressure Regulator 99-02 GMC Savana 25 V8 5.0 V8 5.0 Fuel Pressure Regulator		Fuel Pressure Regulator 98-02 GMC Savana 15 V8 5.0 V8 5.0 Fuel Pressure Regulator
	Fuel Pressure Regulator 96 - GMC C1500 Sierra Reg Cab V8 5.7 Fuel Pressure Regulator		Fuel Pressure Regulator 96 - GMC C2500 Sierra Reg Cab V8 5.7 Fuel Pressure Regulator
	Fuel Pressure Regulator 98-02 GMC Savana 15 V8 5.7 V8 5.7 Fuel Pressure Regulator		Fuel Pressure Regulator 98-02 GMC Savana 15 V8 5.7 V8 5.7 Fuel Pressure Regulator
	Fuel Pressure Regulator 96 - GMC Jmmy 4-DR 4WD V6 4.3 V6 4.3 Fuel Pressure Regulator		Fuel Pressure Regulator - 05 GMC Env XL SLE 2W L6 4.2 L6 4.2 Fuel Pressure Regulator
	Fuel Pressure Regulator 99-07 GMC Sierra 1500 Extd 2WD V6 4.3 Fuel Pressure Regulator		Fuel Pressure Regulator 96 - GMC C1500 Sierra Ext Cab V8 5.7 Fuel Pressure Regulator
	Fuel Pressure Regulator 96 - GMC C1500 Suburban V8 5.7 Fuel Pressure Regulator		Fuel Pressure Regulator 96 - GMC C1500 Sierra Reg Cab V8 5.7 Fuel Pressure Regulator
	Fuel Pressure Regulator 96 - GMC K1500 Sierra Ext Cab V8 5.7 Fuel Pressure Regulator		Fuel Pressure Regulator 95-05 GMC Safari AWD V6 4.3 V6 4.3 Fuel Pressure Regulator

Some GMC Fuel Pressure Regulator Applications (View Full Catalog Above)

GMC C1500 Pickup Ext Cab	GMC C1500 Pickup Reg Cab	GMC C1500 Sierra Ext Cab
GMC C1500 Sierra Reg Cab	GMC C1500 Suburban	GMC C2500 Sierra Reg Cab
GMC Env XL SLE 2W L6 4.2	GMC Jmmy 4-DR 4WD V6 4.3	GMC K1500 Sierra Ext Cab
GMC K1500 Sierra Reg Cab	GMC Safari AWD V6 4.3	GMC Savana 15 V8 5.0
GMC Savana 15 V8 5.7	GMC Savana 25 V8 5.0	GMC Sierra 1500 Extd 2WD
GMC Sierra 1500 Reg 4WD	GMC Sonom Ext 4W V6 4.3	GMC Sonoma 2.2
GMC Sonom Reg 4W V6 4.3	GMC Yukon 5.7

L4 2.2

L6 4.2

V6 4.3

V8 5.0

V8 5.7

More Applications (View Full Catalog Above)

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Eagle	Ford	Honda	Hyundai	Infiniti	Isuzu	Jaguar	Kia
Lexus	Lincoln	Mazda	Mercedes Benz	Mercury	Mitsubishi	Nissan	Oldsmobile
Pontiac	Porsche	Rover	Saab	Saturn	Scion	Subaru	Toyota
Volkswagen	Volvo