2005 yukon 6l hard cold start, 5 trys, plugs black, wet on start up, codep0300 random miss, in 30 sec it smooths out runs fine. Fuel press 60 psi new up o2 sensor, new mass flow, new crank sensor, new plugs. Nothing has changed
have the same problem?
Saturday, April 2nd, 2011 AT 5:30 AM