cummins smokes blue
#1
cummins smokes blue
ok heres my problem guys i have a 94 cummins 12v engine was rebuilt around 2 years ago has smoked blue eversince done a compression test and blow bye test both check good injectors have been tested and no issues. i hav even ran back to stock injectors and no improvement. if i run the grid heater there is alot les blue smoke. and the warmer the day less smoke yet. when i drive it the smoke usually goes away after a mile or so but when its cold and it idles you can still slightly see it. today i pulled the turbo and exhuast manifold and conformed it is only the 3rd cylander any thoughts?
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