Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0300-P0308 are Type B DTCs.
When the MIL is flashing, the fuel injector may be disabled for the misfiring cylinder to protect the catalytic converter.
Depending on the conditions that set the DTC, the engine may go into Open Loop.