How to Replace the Fuel Pressure Regulator on an Acura MDX?

The pressure regulator, used on 2001 and 2002 Acura and 2003 and 2004 Honda models, is located on a junction block at the left end of the engine. To replace it, first relieve the system fuel pressure. Next, disconnect the cable from the negative battery terminal. Remove the engine cover and disconnect the vacuum hose from the fuel pressure regulator. Squeeze the clamp on the fuel return hose and slide it back, then detach the fuel return hose from the pressure regulator. Be prepared for some fuel to spill out. Unscrew the fuel pressure regulator from the junction block. Be sure to use a new 0-ring when installing the new pressure regulator. Even if you're planning to reinstall the old pressure regulator, discard the old O-ring, then install a new O-ring and coat it with a little clean engine oil. Make sure that you don't damage the new O-ring during installation or reassembly, or it might leak when subjected to operating fuel pressure. When installing the fuel pressure regulator, screw it in by hand until it stops, then turn it counterclockwise until it is properly oriented. Orient the regulator so that the vacuum hose pipe is facing straight back (toward the firewall). Installation is otherwise the reverse of removal. Be sure to tighten the fuel pressure regulator locking nut. When you're done, reconnect the cable to the negative battery terminal, then start the engine and check for fuel leaks around the fuel pressure regulator.

Genuine Acura MDX Fuel Pressure Regulator

Fuel Tank Pressure Regulator

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5 Fuel Pressure Regulators found

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Acura MDX Pressure Regulator Set
Part Number: 17052-T0C-000
$209.83 MSRP: $299.67
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Product Specifications
- Other Name: Regulator Set, Pressure ; Fuel Pressure Regulator; Fuel Pressure Regulator, Pressure Regulator
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Pressure Regulator Assembly
Part Number: 16740-PGK-A01
$302.36 MSRP: $431.82
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Product Specifications
- Other Name: Regulator Assembly, Pressure ; Fuel Pressure Regulator; Fuel Pressure Regulator
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Regulator Set, Pressure
Part Number: 17052-STX-A00
$305.04 MSRP: $435.64
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Product Specifications
- Other Name: Fuel Pressure Regulator; Pressure Regulator
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Set, Pressure Regulator Assembly
Part Number: 17052-TYA-A02
$119.76 MSRP: $169.14
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Product Specifications
- Other Name: Set, P/Reg Assembly; Fuel Pressure Regulator, Pressure Regulator
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura MDX Regulator Set
Part Number: 17052-TYB-A01
$144.07 MSRP: $203.48
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Product Specifications
- Other Name: Fuel Pressure Regulator, Pressure Regulator
- Warranty: This genuine part is guaranteed by Acura's factory warranty.

Acura MDX Fuel Pressure Regulator

The Acura MDX Fuel Pressure Regulator keeps fuel pressure in the sweet spot so the engine gets the correct fuel mix to make starts effortless, pulls lively and has cleaner exhausts. Mounted on the fuel rail, this Fuel Pressure Regulator has a spring-loaded diaphragm that is connected to a vacuum port and the fuel return line, allowing excess fuel to loop back to the fuel tank when the vehicle is idle, but limits fuel flow back when the throttle is opened. The majority of the MDX versions are based on the style of this normally closed back pressure, which is different from the pressure reducing regulators in the sense that they react directly to the inlet pressure, but all the Acura versions have the same original Fuel Pressure Regulator design that is loved by the loyal fans of Acura. Each Fuel Pressure Regulator will typically fail in the closed position and cause the pressure to rise, flooding the engine, but a broken spring or leak will cause the pressure to drop and make the mixture lean in their MDX. Quick checks are that pressure spikes when the vacuum hose is pulled and falls when hand-applied vacuum is added. Replacing the Fuel Pressure Regulator restores proper operation across all MDX generations, giving Acura drivers confidence in consistent fueling.

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Acura MDX Fuel Pressure Regulator Parts Questions & Experts Answers

Pressure Regulator Assembly
16740-PGK-A01
Q: How to Replace the Fuel Pressure Regulator on an Acura MDX?
A:
The pressure regulator, used on 2001 and 2002 Acura and 2003 and 2004 Honda models, is located on a junction block at the left end of the engine. To replace it, first relieve the system fuel pressure. Next, disconnect the cable from the negative battery terminal. Remove the engine cover and disconnect the vacuum hose from the fuel pressure regulator. Squeeze the clamp on the fuel return hose and slide it back, then detach the fuel return hose from the pressure regulator. Be prepared for some fuel to spill out. Unscrew the fuel pressure regulator from the junction block. Be sure to use a new 0-ring when installing the new pressure regulator. Even if you're planning to reinstall the old pressure regulator, discard the old O-ring, then install a new O-ring and coat it with a little clean engine oil. Make sure that you don't damage the new O-ring during installation or reassembly, or it might leak when subjected to operating fuel pressure. When installing the fuel pressure regulator, screw it in by hand until it stops, then turn it counterclockwise until it is properly oriented. Orient the regulator so that the vacuum hose pipe is facing straight back (toward the firewall). Installation is otherwise the reverse of removal. Be sure to tighten the fuel pressure regulator locking nut. When you're done, reconnect the cable to the negative battery terminal, then start the engine and check for fuel leaks around the fuel pressure regulator.

Genuine Acura MDX Fuel Pressure Regulator

5 Fuel Pressure Regulators found

Acura MDX Pressure Regulator Set

Acura MDX Pressure Regulator Assembly

Acura MDX Regulator Set, Pressure

Acura MDX Set, Pressure Regulator Assembly

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Acura MDX Fuel Pressure Regulator

Acura MDX Fuel Pressure Regulator Parts Questions & Experts Answers

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