this is how you do it on a 2002 with 2.0 make sure you use a no seize compound on the threadsService and Repair
Removal
1.. Disconnect the negative battery cable. 2.. Remove air intake assembly. 3.. Remove accelerator cable bracket. 4.. Remove six bolts and coil cover from cylinder head cover 5.. Remove four bolts and the two coils from the cover. 6.. Disconnect the high tension leads from the spark plugs by twisting the boot and removing.7.. Use compressed air to remove any dirt from around the spark plug hole.
8.. Make sure the spark plug socket fits squarely on the spark plug, then remove. Inspection1.. Check for the following: 1.. Damaged insulation 2.. Worn electrodes 3.. Carbon deposits 4.. Damaged gaskets 5.. Burnt spark insulator 6.. Plug gap Plug gap: 0.039 - 0.043 inch (1.0 - 1.1 mm) 2.. Clean or replace if necessary. Installation
1.. Apply anti-seize compound to the spark plug threads. 2.. Install the spark plugs into the cylinder head and tighten to specification. Tightening torque: 11 - 17 ft. lbs. (15 - 23 Nm) 3.. Reconnect high tension leads.4.. Install the two coils and secure with four bolts. 5.. Install the coil cover and secure with six bolts. 6.. Install the accelerator cable bracket. 7.. Install air intake assembly. 8.. Reconnect the negative battery cable.