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Home >> Jaguar >> 1990 >> Sovereign L6-4.0L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Spark Plug >> Adjustments

Spark Plug: Adjustments

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1. Remove spark plugs. Refer to Powertrain Management/Ignition System/Spark Plug/Service and Repair.
2. Clean or replace plugs as needed.

Checking Spark Plug For Wear, Damage, Or Deposits:





3. Set plug gap to:

0.035 in (0.9 MM)

4. Refit plugs and torque to:

17-20 lbft (23-28 Nm)