🔧 Replacing the Fuel Pump on an Audi S4 Cabrio (B6 & B7) – Full How-To! 🔧

If your Audi S4 Cabrio B6 or B7 is showing signs of fuel delivery issues, poor acceleration, or stalling, it might be time to replace the fuel pump. This common issue on the 4.2L V8 engine can be fixed with some basic tools and the right approach.

Signs of a Failing Fuel Pump:

• ⚠️ Hard starting or no start
• ⚠️ Loss of power under acceleration
• ⚠️ Rough idle or stalling
• ⚠️ Whining noise from the fuel tank

Fuel Pump Replacement Process:

• ✅ Accessing the Fuel Pump: Remove the rear seats and fuel pump cover.
• ✅ Removing the Old Pump: Disconnect fuel lines and electrical connectors carefully.
• ✅ Installing the New Pump: Ensure correct alignment, sealing, and torque settings.
• ✅ Testing & Priming: Cycle the key, check for leaks, and verify fuel pressure.

This DIY project can save money and improve performance if your S4 has been running rough. If you’ve tackled this repair before or have tips, drop them in the comments!

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