new comer help me ,i may be wrong but...
hey guys i just got another 6liter and its a 04 KR and its got just under 70k. i have had it for about 2 weeks now and never noticed it until now but after it was idling for a while (approx. 10 -15min) and i went to back up my drive way i gave it a lil bit of gas and a puff of what looked like blue/gray smoke came out and then when i did it again it was clear.....is it just unburnt fuel from it iding for a while? my last 6.0 didnt do it or i never noticed it .....hmm im a lil confused oh yeah truck has 4'' turboback straightpiped