How to replace the fuel pressure regulator on Mitsubishi Galant?

To begin, relieve the pressure in the fuel system. Now, disconnect the cable from the negative battery. After that, you will want to disconnect the vacuum line from the fuel pressure regulator; on 3.0L VS models, you will need to disconnect this vacuum line, disconnect the fuel return hose, and remove the two pressure regulator mounting bolts. Use a screwdriver to loosen the hose clamp and pull the fuel return hose off the fuel pressure regulator. Rotate the fuel return line to the regulator. To detach the regulator from the rail, take out the two mounting bolts and pull the regulator off. Remove the old fuel pressure regulator O-ring and discard it. Install a new O-ring in the groove of the fuel pressure regulator and lubricate it with a little clean engine oil or gasoline. The opposite of removal is installation, ensuring that the fuel pressure regulator has a new O-ring and the mounting bolts are tightened to the correct torque. As soon as you finish the task referring to the fuel system and have fitted all the fuel lines in their proper place, turn on the ignition to the ON position a couple of times to pressurize the system and leak test the serviced area.

How to remove and install the fuel pressure regulator on Mitsubishi Lancer?

To install and remove the fuel pressure regulator on CE models, defuel the fuel system and then reduce the pressure. The second step is to remove the vacuum hose and the fuel return line of the fuel pressure regulator. Take the retaining bolts out and take the regulator out of the fuel rail, and dispose of the O ring. To install it, one needs a new O ring, lubricated using clean fuel and all connections are tightened. Ensure the vacuum hose is in a good condition and well attached and then test the fuel system to rule out any external leakage. In CG and CH models the fuel pressure regulator is built in the fuel pump assembly, which is in the fuel tank, and thus can be removed and replaced separately.

Genuine Mitsubishi Fuel Pressure Regulator

Fuel Tank Pressure Regulator

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4 Fuel Pressure Regulators found

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Mitsubishi Tank Pressure Sensor Part Number: MD322973
$153.61 MSRP: $208.15
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Product Specifications
- Other Name: Sensor, Fuel Vapor; Fuel Tank Pressure Sensor; Fuel Pressure Regulator; Vapor Pressure Sensor; Vapor Valve; Sensor
Fits the following Mitsubishi Models:
- Endeavor | 2004-2005 | LS, Limited, XLS | 6 Cyl 3.8 L GAS
- Galant | 1999-2005 | DE, ES, GTS, GTZ, LS, SE | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
- Lancer | 2003-2006 | Evolution, Evolution MR, Evolution RS, Evolution SE | 4 Cyl 2.0 L GAS
- Mirage | 1998-2002 | DE, ES, LS | 4 Cyl 1.5 L GAS, 4 Cyl 1.8 L GAS
- Montero Sport | 1997-2004 | ES, LS, Limited, XLS, XS | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.5 L GAS
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Mitsubishi Tank Pressure Sensor Part Number: 8651A025
$175.94 MSRP: $238.40
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Product Specifications
- Other Name: Sensor, Fuel Vapor; Fuel Pressure Regulator; Vapor Pressure Sensor; Pressure Sensor; Vapor Valve; Vapor Separator; Sensor
Fits the following Mitsubishi Models:
- Eclipse | 2007-2012 | GS, GS Sport, GT, SE, Spyder GS, Spyder GS Sport, Spyder GT, Spyder SE | 4 Cyl 2.4 L GAS, 6 Cyl 3.8 L GAS
- Eclipse Cross | 2022-2025, 2018-2020 | Black Edition, ES, LE, Ralliart, SE, SE Special Edition, SEL, SEL Special Edition, SEL Touring, SP | 4 Cyl 1.5 L GAS
- Endeavor | 2010-2011 | LS, SE | 6 Cyl 3.8 L GAS
- Galant | 2007-2012 | DE, ES, FE, GTS, Ralliart, SE, Sport Edition, Sport V6 | 4 Cyl 2.4 L GAS, 6 Cyl 3.8 L GAS
- Lancer | 2008-2017 | DE, ES, ES Sportback, Evolution GSR, Evolution MR, Evolution MR Touring, Evolution SE, GT, GT Sportback, GTS, GTS Sportback, Ralliart, Ralliart Sportback, SE, SEL | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
- Mirage | 2017-2024, 2014-2015 | BE, Black Edition, Carbonite Edition, DE, ES, GT, LE, RF, SE | 3 Cyl 1.2 L GAS
- Mirage G4 | 2017-2024 | BE, Carbonite Edition, ES, LE, RF, SE | 3 Cyl 1.2 L GAS
- Outlander | 2007-2020 | ES, GT, LE, LS, SE, SEL, SP, XLS | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS
- Outlander PHEV | 2018-2025 | ES, GT, LE, Platinum Edition, Ralliart, SE, SE Tech, SEL, SEL Premium, SEL Touring | 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV), 4 Cyl 2.4 L PLUG-IN HYBRID EV-GAS (PHEV)
- Outlander Sport | 2011-2025 | BE, ES, GT, GT Special Edition, LE, Ralliart, S, SE, SE Special Edition, SEL, SP, Trail Edition | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
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Mitsubishi Vapor Valve Part Number: MR487890
$9.98 MSRP: $13.00
You Save: $3.02 (24%)
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Product Specifications
- Other Name: Valve, Fuel Filler Neck; Fuel Pressure Regulator; Valve
Fits the following Mitsubishi Models:
- Eclipse | 2006-2012 | GS, GS Sport, GT, SE, Spyder GS, Spyder GS Sport, Spyder GT, Spyder SE | 4 Cyl 2.4 L GAS, 6 Cyl 3.8 L GAS
- Endeavor | 2010-2011, 2005-2008 | LS, Limited, SE, XLS | 6 Cyl 3.8 L GAS
- Galant | 2004-2012 | DE, ES, FE, GTS, LS, Ralliart, SE, Sport Edition, Sport V6 | 4 Cyl 2.4 L GAS, 6 Cyl 3.8 L GAS
- Lancer | 2008, 2003-2006 | DE, ES, Evolution, Evolution MR, Evolution RS, Evolution SE, GTS | 4 Cyl 2.0 L GAS
- Outlander | 2007-2008 | ES, LS, SE, XLS | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS
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Mitsubishi Vapor Valve Part Number: 1755A033
$20.53 MSRP: $26.73
You Save: $6.20 (24%)
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Product Specifications
- Other Name: Valve, Fuel Tank Vapor H; Fuel Pressure Regulator
Fits the following Mitsubishi Models:
- Outlander | 2003-2006 | LS, Limited, SE, XLS | 4 Cyl 2.4 L GAS

Mitsubishi Fuel Pressure Regulator

Mitsubishi Fuel Pressure Regulator maintains the balance of fuel and responsiveness of fuel, and the pressure remains at an ideal level to ensure that all engine runs are smooth and efficient. The company has always been a combination of hard engineering and amiable technology, whether it is MIVEC variable valve timing that has wrung an extra horsepower out of small engines or Super All Wheel Control that puts torque where it is needed in the wheels. Its plug-in hybrid crossover demonstrates how the brand combines electric assist with long trip convenience, and tests with fuel cell drive and micro EVs demonstrate a tendency to experiment with energy. Commodities such as cruise control and smartphone connectivity in everyday models make commutes more convenient, and simple safety sensors ensure the safety of the family without making driving difficult. In this extensive offering, the Mitsubishi Fuel Pressure Regulator is a silent protector of the fuel system in petrol models. The device is mounted on the fuel rail and contains a spring and a flexible diaphragm that is attached to a vacuum port and a return line. Idle high manifold vacuum is applied to move the diaphragm and provide a passage to return excess fuel to the tank and prevent wastage. As the throttle opens and vacuum decreases, the spring tension limits the flow back, allowing pressure to increase to enable injectors to sustain increased demand. The unit is quick-response, which means that mixtures remain in check, avoiding the rich or lean conditions that damage mileage or emissions. When a Mitsubishi Fuel Pressure Regulator gets stuck in the closed position or the spring is broken, replacing it will resume normal pressure, and confidence will be restored at the steering wheel.

Pick genuine OEM Fuel Pressure Regulator if you want superb performance and durability that lasts. Mitsubishi builds that using high-grade materials and official factory techniques to meet very strict standards. This means you get parts you can actually trust for your daily drive. Finding the right parts is simple in the massive stock of genuine inventory. You can stop guessing if a part will fit or hold up. You will love the low prices, dependable service and the real manufacturer's warranty on Mitsubishi Fuel Pressure Regulator. Order today and the store will ship your brand-new items to your door as fast as possible.

Mitsubishi Fuel Pressure Regulator Parts Questions & Experts Answers

Tank Pressure Sensor
MD322973
Q: How to replace the fuel pressure regulator on Mitsubishi Galant?
A:
To begin, relieve the pressure in the fuel system. Now, disconnect the cable from the negative battery. After that, you will want to disconnect the vacuum line from the fuel pressure regulator; on 3.0L VS models, you will need to disconnect this vacuum line, disconnect the fuel return hose, and remove the two pressure regulator mounting bolts. Use a screwdriver to loosen the hose clamp and pull the fuel return hose off the fuel pressure regulator. Rotate the fuel return line to the regulator. To detach the regulator from the rail, take out the two mounting bolts and pull the regulator off. Remove the old fuel pressure regulator O-ring and discard it. Install a new O-ring in the groove of the fuel pressure regulator and lubricate it with a little clean engine oil or gasoline. The opposite of removal is installation, ensuring that the fuel pressure regulator has a new O-ring and the mounting bolts are tightened to the correct torque. As soon as you finish the task referring to the fuel system and have fitted all the fuel lines in their proper place, turn on the ignition to the ON position a couple of times to pressurize the system and leak test the serviced area.
Vapor Valve
MR487890
Q: How to remove and install the fuel pressure regulator on Mitsubishi Lancer?
A:
To install and remove the fuel pressure regulator on CE models, defuel the fuel system and then reduce the pressure. The second step is to remove the vacuum hose and the fuel return line of the fuel pressure regulator. Take the retaining bolts out and take the regulator out of the fuel rail, and dispose of the O ring. To install it, one needs a new O ring, lubricated using clean fuel and all connections are tightened. Ensure the vacuum hose is in a good condition and well attached and then test the fuel system to rule out any external leakage. In CG and CH models the fuel pressure regulator is built in the fuel pump assembly, which is in the fuel tank, and thus can be removed and replaced separately.