Quote:
    Originally posted by Dementor  I'm not a mechanic but a couple of suggestions.    Check the bolts in each header pipe that are removed for checking the CO etc. they sometimes fall out.  Check the exhaust system for any other leaks.   |  
 
   Yep and check the seals where the headers join up with the downpipes.Mine were blowing like a very blowy thing.Had two seals replaced at the last service.