Hi mpboles1723,
That is not skipping that you described but rather hunting whereby the rpm goes up and down.
Should be nothing to do with the spark plugs, it is the idling system.
Possible causes.
1. Throttle body and EACV air passages clogged.
2. Coolant hoses to EACV and throttle body clogged.
3. Lack of radiator coolant.
4. Idle adjust screw set too high.
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Saturday, August 23rd, 2008 AT 10:38 AM