Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2009A6 BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 65 (3.2L - ENGINE MECHANICAL - GENERAL & TECHNICAL DATA - ENGINE CODE: CALA)00 GENERAL, TECHNICAL DATAGENERAL INFORMATIONSAFETY PRECAUTIONSBEFORE OPENING HIGH PRESSURE FUEL INJECTION SYSTEM
2009 Audi A6 Base
Before Opening High Pressure Fuel Injection System
2009 Audi A6 BaseSECTION Before Opening High Pressure Fuel Injection System
WARNING: This page is about a different car, the 2011 Audi A6 and 2010 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
There is a risk of injury because the fuel is under very high pressure.
- The injection system is separated into a high-pressure section (maximum approximately 120 bar (1740.5 psi)) and a low-pressure section (approximately 6 (87 psi) bar).
- Before opening high pressure area, fuel pressure must be reduced to a residual pressure of approximately 6 bar. .
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.