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I have an 03 that just clicked 100K. I noticed this while unloading my boat a couple of months ago, the truck started smoking abnormally at the landing. It went away quickly, but as of late, I'm noticing that when the outside temps are under 34* F, the truck sporadically smokes, but only upon stopping at a light, or to park. Oil checks fine, mileage is not showing any deficits. I have a superchips tuner set on level 1, so you know. My thoughts are a possible over rich in cold temps with the tuner?? I know the obvious first step would be to return the tune to stock and compare, but again, it's very sporadic.

 

[mvnvltn]

It might be your injectors. Have you had them done? You should have your balance rates checked. Have you scanned it for codes?

 

[[email protected]]

It might be your injectors. Have you had them done? You should have your balance rates checked. Have you scanned it for codes?

If you're asking have I had the injectors repalced, no, there has been no need. I did remove the tune, and so far, no smoking at idle, time will tell. I'm having the rates checked tomorrow, and an individual cancellation test as well. I dread having to have this work performed at my local dealership if indeed there's a replacement need....arrrg. In fact, I'm almost positive there are no certified Dmax techs currently in force there, double arrrg. No codes present mvn, and thank you for the response.