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Rough idle & error codes DTC 1325 "knock retard at limit" & DTC 305 "damaging misfire" keep popping up - shut down & reset Linc and problem temporarily goes away
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Replaced spark plugs @ 140 hrs & DTC305 went away- dealer just re-flashed ECM w/updated firmware from PCM so we'll see if that eliminates recurring DTC1325 faults
Sent from my iPad using PLT Nautique
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