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P2305 Diagnostic Trouble Code Discussion for February 2010

Ignition Coil 2 Secondary Circuit Insufficient Ionization

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Trouble Ticket Help Requests for DTC P2305
Help Request Posted
2005 Dodge Ram 2500 SLT 5.7L Poor Idle Quality, Misfire VIN: 1D7KS28D85
P2305: ignition coil 2 secondary circuit-insufficient ionization. This truck came in for a misfire under acceleration. Pulled two plugs, found .062 gap so suggested replacement of plugs. Replaced plugs with OEM Copper Champion plugs from dodge. Now engine misfires at idle only on Bank #1. Yep, cylinders 1,3,5,7. Checked firi...
February 06, 2010