Ranger 2WD L4-2.3L (2009)
Spark Plug: Service and Repair
Spark Plugs
Spark Plugs
Removal and Installation
NOTICE: Spark plug wires must be connected correctly. For additional information, refer to the Coil Terminal-to-Cylinder Relationship
illustration in the Description and Operation, Engine Ignition See: Powertrain Management/Ignition System/Description and Operation.
Failure to follow this instruction may result in poor engine performance.
1. If necessary, detach the spark plug wire.
2. Disconnect the spark plug wire from the spark plug by slightly twisting while pulling upward.
3. NOTE: Remove foreign material with compressed air.
Remove the spark plug.
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To install, tighten to 12 Nm (106 lb-in).
4. Inspect the spark plugs.
5. Check and adjust the spark plug gap as necessary.
6. To install, reverse the removal procedure.