Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Chevrolet >> 2005 >> Venture LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.4L DTC P0140 To P0443 >> DTC Tests >> DTC P0300-P0306 >> Conditions for Setting the DTC

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.