Intake ports 3 and 2 with fouling due to too much soot mixed with oil. Known contributing issues: inadequate crankcase vacuum due to leaky vacuum reservoir, badly worn exhaust cams, plus EGR cooler leaking exhaust for years
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.