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Home >> Jaguar >> 1984 >> XJ-6 L6-4.2L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Timing >> Adjustments
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Ignition Timing: Adjustments

1. Switch OFF ignition.
2. Disconnect and plug vacuum hose to distributor.
3. Connect timing light to front spark plug wire (# 6).
4. Start engine.
5. Timing should be:

17° BTDC at idle

6. Loosen distributor clamp and adjust if necessary.
7. Stop engine and reconnect vacuum hose.