The fuel pressure in an electronic fuel injected engine must be within a specific range, to ensure there is an ample supply of fuel available to the fuel injectors for all engine operating conditions. The fuel injectors are electro-mechanical devices controlled by the PCM (Powertrain Control Module). One terminal on the injector is connected to 12V. When the PCM grounds the other terminal, the coil in the injector raises a plunger, allowing fuel to spray.

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    • (0 reviews)
      # sp94805
      Fuel Pressure Regulator by Delphi®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $28.49 - $372.12
    • (0 reviews)
      # sp5371
      Fuel Pressure Regulator by Hitachi®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste your time and...
      High quality at an affordable priceExpertly made from premium materials
      $40.73 - $91.74
    • (1 review)
      # sp27697
      Fuel Injection Pressure Regulator by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the...
      High quality at an affordable priceExpertly made from premium materials
      $15.68 - $323.38
    • (0 reviews)
      # sp6610
      Fuel Injection Pressure Regulator by Dorman®. Dorman’s Fuel Injection Pressure Regulator effectively adjusts the fuel pressure to the fuel injectors. The Fuel Injection Pressure Regulator is constructed of high-quality materials...
      Replacement restores engine performanceSave time, money and labor by replacing only the Fuel Injection Pressure Regulator, instead of the entire Fuel Injector
      $34.82 - $47.36
    • (0 reviews)
      # sp96614
      Fuel Pressure Regulator by Motorcraft®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $17.80 - $1,123.68
    • (0 reviews)
      # sp49307
      Fuel Injection Pressure Regulator by Cardone®. When applicable, improvements based on typical failure modes of original units are incorporated into the design and manufacture of replacement component parts, which translates into...
      50-state emissions street legalThe finest quality at a great price
      $249.11 - $361.28
    • (0 reviews)
      # mpn898128803
      Professional™ Fuel Injection Pressure Regulator by ACDelco®. Protect your Combustion System from contaminants with a high-quality ACDelco Professional Fuel Filter.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $97.18
    • (0 reviews)
      # mpn898128799
      Professional™ Fuel Injection Pressure Regulator by ACDelco®. Includes: Nylon Rail. Protect your Combustion System from contaminants with a high-quality ACDelco Professional Fuel Filter.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $52.23
    • (0 reviews)
      # mpn898128696
      Professional™ Fuel Injection Pressure Regulator by ACDelco®. Protect your Combustion System from contaminants with a high-quality ACDelco Professional Fuel Filter.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $55.68
    • (0 reviews)
      # mpn898128693
      Professional™ Fuel Injection Pressure Regulator by ACDelco®. Includes: EGR Valve. Protect your Combustion System from contaminants with a high-quality ACDelco Professional Fuel Filter.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $52.82
    • (0 reviews)
      # mpn898128406
      Professional™ Fuel Injection Pressure Regulator by ACDelco®. Protect your Combustion System from contaminants with a high-quality ACDelco Professional Fuel Filter.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $62.89
    • (0 reviews)
      # mpn898128801
      Professional™ Fuel Injection Pressure Regulator by ACDelco®. Protect your Combustion System from contaminants with a high-quality ACDelco Professional Fuel Filter.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $71.36
    • (0 reviews)
      # mpn898127655
      Professional™ Fuel Injection Pressure Regulator by ACDelco®. Includes: Nylon Rail. Protect your Combustion System from contaminants with a high-quality ACDelco Professional Fuel Filter.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $47.38
    • (0 reviews)
      # mpn898128428
      Professional™ Fuel Injection Pressure Regulator by ACDelco®. Protect your Combustion System from contaminants with a high-quality ACDelco Professional Fuel Filter.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $57.86
    • (0 reviews)
      # mpn898128795
      Professional™ Fuel Injection Pressure Regulator by ACDelco®. Protect your Combustion System from contaminants with a high-quality ACDelco Professional Fuel Filter.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $67.37
    • (0 reviews)
      # sp10582
      GM Original Equipment™ Fuel Pulse Dampener by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $22.06 - $58.18
    • (0 reviews)
      # sp10560
      Professional™ Fuel Injection Pressure Regulator by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $15.16 - $167.16
    • (0 reviews)
      # sp101927
      Fuel Pressure Damper by Bosch®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality...
      High quality at an affordable priceExpertly made from premium materials
      $36.77 - $177.57
    • (0 reviews)
      # sp101929
      Fuel Pressure Regulator by Bosch®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $24.00 - $548.77
    • (0 reviews)
      # sp28043
      Fuel Pressure Regulator by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to...
      High quality at an affordable priceExpertly made from premium materials
      $18.41 - $294.66
    • (0 reviews)
      # sp28065
      Intermotor™ Fuel Pressure Regulator by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $3.71 - $487.08
    • (0 reviews)
      # sp28042
      Fuel Pressure Damper by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all...
      High quality at an affordable priceExpertly made from premium materials
      $13.04 - $276.82
    • (0 reviews)
      # sp5462
      Tru-Tech™ Fuel Injection Pressure Regulator by Standard®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before...
      High quality at an affordable priceExpertly made from premium materials
      $15.23 - $58.20
    • (0 reviews)
      # sp28064
      Intermotor™ Fuel Pressure Damper by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $14.73 - $187.34
    • (0 reviews)
      # sp5319
      Injection Pressure Regulator by GB Remanufacturing®. This injection pressure regulator is constructed to provide OE fit, form, and function. Designed to ensure long-lasting durability and factory-like performance, it will restore...
      Meets or exceeds OE specsDesigned for reliable and lasting operation
      $173.97 - $186.31
    • (0 reviews)
      # sp25698
      Fuel Pressure Regulator by Genuine®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste your time and...
      High quality at an affordable priceExpertly made from premium materials
      $35.88 - $299.25
    • (0 reviews)
      # sp25697
      Fuel Pressure Damper by Genuine®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste your time and gas...
      High quality at an affordable priceExpertly made from premium materials
      $26.32 - $182.94
    • (0 reviews)
      # sp34526
      Fuel Pressure Regulator by Aisan®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $46.76 - $81.62
    • (0 reviews)
      # sp27555
      Fuel Injection Pressure Damper by Auto 7®. Poor acceleration and idling, difficulty in starting the vehicle, and stalling are common fuel delivery system issues. If you're experiencing these symptoms, Auto 7 has the quality parts...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      $9.26 - $38.60
    • (0 reviews)
      # sp27556
      Fuel Injection Pressure Regulator by Auto 7®. Poor acceleration and idling, difficulty in starting the vehicle, and stalling are common fuel delivery system issues. If you're experiencing these symptoms, Auto 7 has the quality...
      Original equipment quality parts for Hyundai, KIA and GM Daewoo vehicles without the original equipment priceAll parts made where the vehicles are made, South Korea
      $10.07 - $97.60
    • (0 reviews)
      # sp94861
      Fuel Pressure Regulator by Denso®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $71.07 - $183.09
    • (0 reviews)
      # sp38478
      Pressure Regulator by Eurospare®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste your time and gas...
      High quality at an affordable priceExpertly made from premium materials
      $107.64 - $139.13
    • (0 reviews)
      # sp40356
      Fuel Pressure Regulator by Interfil®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste your time and...
      High quality at an affordable priceExpertly made from premium materials
      $55.97 - $84.12
    • (0 reviews)
      # sp26223
      Fuel Injection Pressure Regulator by Kyosan®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste your...
      High quality at an affordable priceExpertly made from premium materials
      $15.00 - $187.88
    • (0 reviews)
      # sp41617
      Fuel Pressure Regulator by Mahle®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste your time and gas...
      High quality at an affordable priceExpertly made from premium materials
      $27.98 - $72.48
    • (0 reviews)
      # sp4426
      Fuel Pressure Regulator by Mopar®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste your time and gas...
      High quality at an affordable priceExpertly made from premium materials
      $84.76 - $130.35
    • (0 reviews)
      # sp25249
      Fuel Pressure Regulator by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $51.82 - $56.26
    • (0 reviews)
      # sp25250
      Fuel Pressure Regulator Kit by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $57.75
    • (0 reviews)
      # sp96989
      Fuel Injection Pressure Regulator by Omix-ADA®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $65.05 - $106.59
    • (0 reviews)
      # sp101898
      Fuel Injection Pressure Regulator by Original Equipment®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...
      High quality at an affordable priceExpertly made from premium materials
      $38.71 - $93.36
    • (0 reviews)
      # sp43588
      Fuel Pressure Regulator by Paraut®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste your time and...
      High quality at an affordable priceExpertly made from premium materials
      $51.47 - $186.09
    • (0 reviews)
      # sp97230
      Fuel Pressure Regulator by Pierburg®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...
      High quality at an affordable priceExpertly made from premium materials
      $70.89 - $80.98
    • (0 reviews)
      # mpn1818159
      Fuel Pressure Regulator by Walker®. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you choose Walker...
      Makes installation quick and easyOptimal OE-style fit and quality
      $88.78
    • (0 reviews)
      # mpn1818159
      Fuel Pressure Regulator by Walker®. Location: On Fuel Rail. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete exhaust job. When you...
      Makes installation quick and easyOptimal OE-style fit and quality
      $88.78
    • (0 reviews)
      # sp32293
      Fuel Pressure Regulator by Merchant Automotive®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $200.72 - $223.06
    • (0 reviews)
      # mpn739315574
      Fuel Pressure Regulator by KIA OE®. During your Kia ownership you may need to replace a part and when that happens they recommend using Kia Genuine Parts. Kia Genuine Parts are engineered to precise and exact standards by Kia,...
      Specifically engineered to restore factory performanceGenuine OE quality at a budget-friendly price
      $56.77
    • (0 reviews)
      # mpn1004908
      Fuel Pressure Regulator Filter by Crown®. Crown Automotive is just the ticket if you want to get the most out of your vehicle as well as revel in a more exciting driving experience. You will surely get a real bang for the buck!
      Developed to improve your driving experienceConstructed to ensure ultimate operation
      $50.35
    • (0 reviews)
      # sp27160
      GM Original Equipment™ Fuel Shut-off Valve by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $193.77
    • (0 reviews)
      # mpn1118279412
      Injection Pressure Regulator Valve by GB Remanufacturing®. Includes: Upgraded Spring. This Fuel Injection Pressure Regulator Valve is OEM specifications and fully tested to ensure superior quality and durability. When you choose GB...
      Meets or exceeds OE qualityEnsures reliable and lasting operation
      $15.63
    • (0 reviews)
      # mpn469957800
      Front Banjo Seal - Fuel Pressure Relieve Valve by Merchant Automotive®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...
      High quality at an affordable priceExpertly made from premium materials
      $5.94
    • (0 reviews)
      # mpn469949839
      Injection Pressure Regulator Valve Socket by Area Diesel Service®. 1 Piece. You've all been there. You grab your favorite beverage, you start working on your rig and things are going great. You're pulling off parts and then...
      Built to match your exact requirementsHigh quality you can rely on
      $67.32
    • (0 reviews)
      # sp50738
      Injector Pressure Regulator Valve by Area Diesel Service®. 1 Piece. Magnum Quality Replacement Parts were born out of a need for a high quality alternative to overpriced parts from the OEM dealers. Our 40+ years of experience in...
      High quality at an affordable priceExpertly made from premium materials
      $135.73 - $216.15
    • (0 reviews)
      # sp5601
      Fuel Injection Nozzle O-Ring Kit by Victor Reinz®. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts chain store. But before you waste your time and gas only to find...
      High quality at an affordable priceExpertly made from premium materials
      $1.73 - $23.16
    • (0 reviews)
      # sp10580
      GM Original Equipment™ Fuel Pressure Relief Valve Cap by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $3.32
    • (0 reviews)
      # sp101930
      Fuel Pressure Regulator O-Ring by Bosch®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      High quality at an affordable priceExpertly made from premium materials
      $1.26 - $1.52
    • (0 reviews)
      # mpn592236204
      Intermotor™ Fuel Injection Pressure Regulator O-Ring by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...
      High quality at an affordable priceExpertly made from premium materials
      $1.76
    • (0 reviews)
      # mpn53649945
      Intermotor™ Fuel Injection Pressure Regulator O-Ring by Standard®. 0.10" Thick. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices...
      High quality at an affordable priceExpertly made from premium materials
      $0.54
    • (0 reviews)
      # mpn53650142
      Intermotor™ Fuel Injection Pressure Regulator O-Ring by Standard®. 0.14" Thick. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices...
      High quality at an affordable priceExpertly made from premium materials
      $1.36
    • (0 reviews)
      # mpn53649945
      Intermotor™ Fuel Injection Pressure Regulator O-Ring by Standard®. 0.10" Thick. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices...
      High quality at an affordable priceExpertly made from premium materials
      $0.54
    • (0 reviews)
      # mpn53650142
      Intermotor™ Fuel Injection Pressure Regulator O-Ring by Standard®. 0.14" Thick. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices...
      High quality at an affordable priceExpertly made from premium materials
      $1.36




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    The electric fuel pump delivers fuel to the fuel rail at a constant pressure, and the fuel rail mounted injectors spray fuel into the intake ports. The PCM varies the pulse width, the time the injectors are grounded, to suit engine load. The pulse width is shorter at idle, and lengthened when the engine is under load and more fuel is needed. But without a means to regulate pressure, there could be too much pressure at idle, and not enough at wide open throttle.

    The fuel pressure regulator maintains fuel pressure within the specified range. It is mounted to the fuel rail and contains a spring and a diaphragm. A port connects the regulator to engine vacuum and it is also connected to the fuel return line, which allows fuel to flow back to the tank. At idle, when less fuel is required, engine vacuum acts against the spring and diaphragm to allow excess fuel to flow back to the tank. When the throttle is opened and more fuel is needed, the reduced vacuum under such conditions allows the spring and diaphragm to restrict return flow, ensuring there is enough pressure for the increased pulse width.

    A fuel pressure regulator will typically fail closed, resulting in too much fuel pressure, a rich mixture, poor fuel economy and excessive emissions. If you disconnect the vacuum hose from the regulator and the fuel pressure doesn’t rise, the regulator is most likely faulty. However, there could be a problem with the vacuum signal, caused by a cut or broken vacuum line, so to be sure, apply vacuum with a hand-held vacuum pump. Fuel pressure should drop as vacuum is increased. If it doesn’t, verify that the return line isn’t blocked, and if not, replace the regulator.

    However, if the spring in the regulator breaks or the regulator leaks, this will result in fuel pressure that is too low and a lean condition. If fuel pressure is low and doesn’t rise when the fuel return line is pinched shut, the fuel pump is most likely at fault. However, if the pressure does rise, the regulator should be replaced. Regardless of the failure mode, we have the replacement fuel pressure regulator to restore proper engine operation. All of the regulators we offer are manufactured to OE specs to meet the specific fuel pressure requirements of each vehicle, and ensure ease of fitment and perfect engine performance.

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    New Locking Gas Tank
    It's a locking gas cap, install and lock nice.
    JPosted by Joseph (Milford, CT) / April 12, 2017
    2001 Chrysler 300M
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