05 yukon. Code p0300. Code0449
in addition. Low idle, about 600, so it idles slugish. Condensation out of tailpipe this morning was filled with carbon.
Check engine light has been on for a month, idling problems developed within the last week.
Any advice would. Be appreciated.
have the same problem?
Thursday, January 20th, 2011 AT 4:16 PM