Removal Procedure
- Remove the ignition coils. Refer to Ignition Coil Replacement - Bank 1 and/or Ignition Coil Replacement - Bank 2 .
- Remove the fuel rail assembly carefully in order to prevent damage to the injector electrical connector terminals and the injector spray tips. Support the fuel rail after the fuel rail is removed in order to avoid damaging the fuel rail components.
- Cap the fittings and plug the holes when servicing the fuel system in order to prevent dirt and other contaminants from entering open pipes and passages.
- Use compressed air in order to remove debris from the spark plug cavity.
- Remove the spark plug.
WARNING:
Refer to Safety Glasses and Compressed Air Warning
.
CAUTION:
CAUTION:
Allow the engine to cool before removing the spark plugs. Attempting to remove the spark plugs from a hot engine may cause the plug threads to seize, causing damage to cylinder head threads.