Solenoid vacuum valve AUDI A6 AVANT 2003

OEM: 8E0906627B

Disassembled car photo

Engine running

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What is this part and why does it matter?

The solenoid vacuum valve controls vacuum flow to a specific system (such as turbo wastegate control or EGR) based on an electrical signal from the ECU.

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Signs of a faulty part

If you notice any of the following, the part likely needs replacement:

  • Check Engine light with a vacuum control fault code
  • The system this valve controls (boost, EGR) not functioning correctly
  • Hissing noise from a stuck-open valve

Installation information

Connects with vacuum lines and an electrical connector — check the valve moves freely and holds vacuum before finishing installation.

Frequently asked questions

It acts as an electrically controlled gate for vacuum, allowing the ECU to precisely control vacuum-operated components (like a turbo wastegate or EGR valve) rather than relying on fixed mechanical vacuum routing.

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