Vacuum Hose. Porsche 958 Cayenne / 970 Panamera 3.0L Hybrid 2010-17  ❭  95811079

Vacuum Hose. 

Maintain proper engine vacuum function and system performance with the Vacuum Hose. This OE MATCH hose is designed to transfer vacuum pressure between engine components, supporting correct operation of vacuum-controlled systems such as emissions controls, intake functions, and various engine management components.

Fits:

• Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
• Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
• Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16  

Diagram Ref No 30

What This Product Does:

• Carries vacuum pressure from the intake system to connected components
• Supports proper operation of emissions and engine control systems
• Assists in regulating airflow and system actuation
• Helps maintain smooth engine performance and efficiency
• Prevents vacuum leaks that can affect drivability

Symptoms Of Wear Or Failure:

• Check engine light (vacuum leak-related fault codes)
  
• Rough idle or unstable engine RPM
  
• Hesitation or loss of power during acceleration
  
• Poor fuel economy
• Engine misfires
• Whistling or hissing sound from the engine bay
  
• Hard starting or extended cranking
  
• Vacuum-controlled components not working properly
• Cracked, brittle, or collapsed hose material
• Loose or leaking hose connections

Why Replacement Matters:

• Replacing a worn vacuum hose is important because it ensures proper vacuum pressure is delivered to critical engine systems. Over time, heat and engine bay conditions can cause the hose to crack, harden, or leak.
• If a vacuum leak develops, it can lead to rough idle, poor fuel economy, reduced engine performance, and trigger check engine lights. In some cases, vacuum-controlled components may stop functioning correctly.
• Installing a new vacuum hose helps restore proper engine operation, maintain efficiency, prevent drivability issues, and support long-term system reliability.

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