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Home >> Saturn >> 2007 >> Ion Red Line >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - DTC P0123 To DTC P0327 >> DTC P0300 >> Conditions for Setting the DTC
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Conditions for Setting the DTC

The PCM is detecting a crankshaft rotation speed variation indicating a misfire sufficient to cause emission levels to exceed mandated standards.

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