Checking centrifugal advance with TDC sender: VW (PN)

🧭 Before you start

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• Slowly increase engine speed. At 1000…1350 rpm, ignition timing must start to move towards advanced.

🔧 Engine codes this applies to

📋 Procedure

1. Connect ignition tester V.A.G 1767 with pick-up clamp V.A.G 1367/8 with ignition switched off.
2. Start engine and run at idling speed.
3. Pull vacuum hose from ignition distributor vacuum unit.
4. Note displayed setting value as basic value.
5. Slowly increase engine speed. At 1000…1350 rpm, ignition timing must start to move towards advanced.

6. Increase engine speed to 3000 rpm.
7. Read off setting value on ignition tester V.A.G 1767.
8. Calculate centrifugal advance value as follows:
9. Compare calculated centrifugal advance value with specified value.
10. Repeat check at 5000 rpm.

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