Checking and adjusting injection quantity: VW Passat B5 1.9 TDI (AFN, AGP, AGR, AHF, …)
Step-by-step checking and adjusting injection quantity for the VW Passat B5 1.9 TDI: 10 steps, 2 torque figures.
Workshop procedure for VW — the exact step sequence and torque figures, straight from real workshop data.
🧭 Before you start
Fits: VW Passat B5 (3B)
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- Connect vehicle diagnosis, testing and information systemVAS 5051, engine must run at idling speed.
- The injection pump must be brought back to the previously noted injection quantity value.
🔩 Torque settings
Values can differ between engine variants — check the code stamped on your block.
| Torque | Fastener / step |
|---|---|
| 9 Nm (6.6 lb-ft) | Once the specification has been reached, tighten securing bolts of metering device |
| 9 Nm (6.6 lb-ft) | Once the specification has been reached, tighten the securing bolts of the quantity… |
ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.
📋 Procedure
- Connect vehicle diagnosis, testing and information systemVAS 5051, engine must run at idling speed.
- Select operating mode "“Self-diagnosis”".
- Select "“Engine electronics”" button on display.
- Select "“Read measured value block”" button on display.
- Select "“1.-.Display group 1”" on the keyboard.
- Observe the value seen from the top at second position. (equates to 2.2...9 mg/stroke).
- Make a note of the injection quantity. [Note: The injection pump must be brought back to the previously noted injection quantity value.]
- Loosen securing bolt of metering device max. 1/4 turn.
- Observe injection quantity value on display and move metering device with light blows of a plastic head hammer in the required direction:
- Once the specification has been reached, tighten securing bolts of metering device to 9 Nm. — 9 Nm (6.6 lb-ft)
Other VW procedures
- Removing and installing parts of exhaust system
- Checking brake light switch and brake pedal switch
- Checking engine speed sender -G28
- Checking accelerator position sender
- Removing and installing injection pump: engine code AHH
- Removing engine · 41 torque figures
- Removing and installing camshaft – VW Golf Cabriolet · 47 torque figures
- Adjusting valve timing – VW Passat B5 · 83 torque figures
- Removing and installing camshafts – VW Passat B6 · 39 torque figures
- Removing and installing coolant pump · 53 torque figures
Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix →Workshop data on this page last updated 20 Sep 2026.