oil question. front suspension question
03-08-2016, (Subject: oil question. front suspension question ) 
Post: #10
RE: oil question. front suspension question
It is considered normal, unless it is excess soot caused by a stuck open EGR valve, maybe destroying your cam and clogging oil filters. Rawze does custom tuning that can make your truck run cleaner while getting more mpg.
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RE: oil question. front suspension question - yamajason - 03-08-2016



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