Home >> Jeep >> 2005 >> Wrangler X, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Powertrain Diagnostic Procedures >> Diagnostic Information And Procedures >> DRIVEABILITY - NGC - Diagnostic Tests >> P2302-Ignition Coil No. 1 Secondary Circuit-Insufficient Ionization; P2305-Ignition Coil No. 2 Secondary Circuit-Insufficient Ionization; P2308-Ignition Coil No. 3 Secondary Circuit-Insufficient Ionization >> Possible Causes