Audi VW Boost Pressure Valve - Pierburg 1H0906627A

Product Information

The Fuel Injection Pressure Regulator is a critical component of the fuel delivery system that maintains consistent fuel pressure to the injectors. It adjusts fuel flow based on engine demand by regulating excess fuel back to the fuel tank, ensuring optimal air-fuel mixture for efficient combustion. Typically mounted on the fuel rail or integrated within the fuel pump assembly, it helps improve engine performance, fuel efficiency, and emissions control.

• Poor Engine Performance – Loss of power, hesitation, or rough acceleration
• Hard Starting or No Start – Insufficient or excessive fuel pressure affecting ignition
• Engine Misfires or Rough Idle – Irregular fuel delivery disrupting combustion
• Decreased Fuel Efficiency – Excess fuel consumption due to improper pressure regulation
• Black Smoke from Exhaust – Rich fuel mixture caused by excessive fuel pressure
• Fuel Leaks or Fuel Odor – Possible diaphragm failure allowing fuel to escape
• Check Engine Light (CEL) – Triggered by abnormal fuel pressure readings

About Pierburg

Pierburg S.A. is a company that forms part of the KSPG AG Group, a worldwide leader in the design, development and production of automobile components. As a worldwide automotive provider, Pierburg S.A. holds a position as a leader in the automotive markets thanks to their competence in the areas of the reduction of emissions and secondary air management. The development of our products is carried out in close collaboration with well-known automotive manufacturers.

With a history beginning with the start of the automobile industry, Pierburg’s reputation has been that of superior engine expertise. Pierburg remains a pioneer in advanced pump technology working as an OEM (original equipment manufacturer) for many European auto brands. Their product line ranges from coolant pumps, oil pumps and re-circulating water pumps, to vacuum pumps and many more. For every function, Pierburg produces a solution that provides the highest reliability, dependability, and functionality for automobiles.

Even before the talks of climate change, Pierburg had been working on finding solutions for ecological friendly vehicle technology, in order to slow fuel consumption and decrease emissions. One example is Pierburg’s line of on-demand oil and water pumps only run when needed resulting in reduced engine emissions.