
 Originally Posted by 
isuzurover
					 
				 
				If you spend a lot of time driving around trucks then it may not even be from your vehicle. 
Defenders have a big recirculation zone at the back and small particles like soot will attach to the back. No guarantee it is from your car (though it is likely).
Best way to see how much it is smoking is to get someone else to drive it up the street under hard acceleration while you watch.
But the bottom line, if your EGTs are OK I wouldn't worry.  (if you don't have an EGT guage - fit one ASAP).
			
		 
	
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