Posted by Keith Brown on December 18, 2008, 3:10 pm
had this car in today,serviced 3 weeks ago,code read 0300 multiple engine missfire!,intermittant,on road test there is no missfire what so ever we covered all the ground during service,as precaution tried fresh plugs, leads tested all ok,coils have been swapped ,no joy,ecm lamp comes on totally randomly,not sure which way to go now, has anyone experienced this before? thanks in advance.