HomeAir and Fuel Delivery > Fuel Injection System and Related ComponentsStandard Ignition PR123 Fuel Injection Pressure Regulator
Part #: PR123

Standard Ignition PR123 Fuel Injection Pressure Regulator

7 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Isuzu, Impulse
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Reliable Fuel Injection Pressure Regulator for Isuzu Impulse

The Standard Ignition PR123 fuel injection pressure regulator is designed specifically for gas system applications in the Isuzu Impulse. This component ensures consistent fuel pressure for optimal engine performance and efficiency.

  • Compatible with Isuzu Impulse fuel injection systems
  • Designed for gas system type fuel delivery
  • Maintains stable fuel pressure for smooth engine operation
  • Durable construction for long-lasting performance
  • Standard Ignition quality and fitment assurance

Product Details and Specifications

The Standard Ignition PR123 fuel injection pressure regulator is engineered to regulate fuel pressure within the fuel injection system of the Isuzu Impulse. It is tailored for gas system types, ensuring precise control of fuel delivery to the engine. Proper fuel pressure regulation is critical for maintaining engine efficiency, reducing emissions, and preventing fuel system damage. This part meets OEM specifications and is manufactured to provide reliable performance under typical operating conditions.

Common Applications and Problem Resolution

This fuel injection pressure regulator is used to address issues related to inconsistent fuel pressure in the Isuzu Impulse's fuel injection system. It helps resolve:

  • Engine hesitation or stalling due to fuel pressure fluctuations
  • Poor fuel economy caused by improper fuel delivery
  • Rough idling or engine misfires linked to fuel system irregularities
  • Fuel leaks or pressure drops within the injection system
  • Check engine light codes related to fuel pressure sensor faults

Installation Notes and Tips

When installing the Standard Ignition PR123 fuel injection pressure regulator on an Isuzu Impulse, ensure the fuel system is depressurized before removal of the old regulator. Verify compatibility with the gas system type and inspect all seals and connections for wear. Proper torque specifications should be followed to avoid leaks. It is recommended to check the fuel pressure after installation to confirm correct operation.

Quality Assurance and Warranty Information

Standard Ignition parts, including the PR123 fuel injection pressure regulator, are manufactured to meet or exceed OEM standards. Each unit undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to provide confidence in the product's reliability.

BrandStandard Ignition
Part NumberPR123
Fuel TypeGas

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1989IsuzuImpulseN/A
1988IsuzuImpulseN/A
1987IsuzuImpulse1.9LL4N/A
1986IsuzuImpulse1.9LL4N/A
1985IsuzuImpulse1.9LL4N/A
1984IsuzuImpulseN/A
1983IsuzuImpulseN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

143-719158-01662-1778217-2087217145G1203800-2358942058580FP10212PR404

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.