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AUDI A4 B6 (Typ 8E/8H) 1.9 TDI (AWX / AVF) ENGINE MODEL YEARS 2000–2005 COMPLETE SERVICE & REPAIR MANUAL audi a4 b6 1.9 tdi service manual pdf
✔ Routine Maintenance Schedules ✔ Engine Mechanicals & Fuel Injection (Unit Injector – PD) ✔ Electrical Wiring Diagrams ✔ Turbocharger & Exhaust System ✔ Brakes, Suspension, Steering ✔ Diagnostic Trouble Codes (DTCs) [Page 1 – Introduction] About This Manual This service manual is intended for experienced DIY owners, independent workshops, and automotive technicians. It provides step-by-step repair procedures, maintenance schedules, torque specifications, and diagnostic information for the Audi A4 B6 equipped with the 1.9 TDI PD engine (Unit Injector system, codes AWX and AVF). Cycle ignition off for 10 seconds
Cycle ignition off for 10 seconds. [Page 6 – Electrical & Diagnostic (VCDS)] Common Fault Codes (1.9 TDI PD) | P1557 | Charge pressure control – deviation | Check VNT actuator & hoses | | P2015 | Intake manifold runner position sensor | Replace intake manifold flap | | P0251 | Injection pump fuel metering control | Replace quantity adjuster or pump | | P0113 | Intake air temp circuit high | Check G42 sensor | | P0671 | Glow plug cylinder 1 – open circuit | Replace glow plug (BERU GN024) | The author is not liable for damage, injury,
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This manual is a guide only. Always consult official Audi documentation for safety-critical systems. The author is not liable for damage, injury, or non-compliance with local regulations.
If overboost or limp mode occurs, remove turbo, spray oven cleaner into exhaust housing vanes, manually cycle rod 30–50 times.