Compression Ignition Addict
Join Date: Aug 2012
Location: east tn
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EGR valve causing smoke?
I have asked a couple times about my truck having the grey smaoke on startup. I put in some archoil and haven't noticed much any difference. The smoke is the only thing happening as it acts just like stiction, goes away once the truck has warmed up, but has none of the stumbling or missing or lack of power or poor fuel economy(still 17mpg overall).
I pulled the injectors to check them and nothing was out of the ordinary, put them back with new orings and such. My only thought now, short of running a contribution test is the egr valve. I have a delete but am running the stock file(vxcf4), have no codes or wrench light. Even though the delete is there, could the valve itself be tied in to why the truck is smoking, I believe I have heard about it causing some odd problems before.
Icp is around 580 idleing, icpv is .5-1.0 depending on temp, ficmv is 54.50 solid in all ways of checking, haven't checked ipr yet but do have the new stc fitting and screen on the ipr, and the hpop still delivers 4000psi at wot and never drops, fuel psi is 64, drops to 61 at wot. Oh and the batteries are about 6mos old and voltage hangs around 13.5 unless the glow plugs are on then it's 11.2. These readings are per the dashboss.
07 ccsb 4x4, , swamps 58v(mild flash), rr, a1000, 225/50's, ported and polished heads, outlaw diesel headers, ported intake, dashboss fuel/egt, studs, twizted billet tranny