According the this link on DTC p0200, it could be a the PCM, an injector, or a bad ground:
http://www.gearchatter.com/viewtopic10356.php
According the this link on DTC p0300, this is probably caused by whatever is causing the p0200. The MIL will blink if the misfire is bad enough to cause converter damage.
http://www.gearchatter.com/viewtopic10354.php
Good luck and sorry to hear about the problems.
http://www.gearchatter.com/viewtopic10356.php
According the this link on DTC p0300, this is probably caused by whatever is causing the p0200. The MIL will blink if the misfire is bad enough to cause converter damage.
http://www.gearchatter.com/viewtopic10354.php
Good luck and sorry to hear about the problems.