Join Date: Aug 2012
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White-grey exhaust smoke for a few moments.
I noticed some white smoke for a few minutes the other day and was wondering if I should be concerned.
The truck is an 06 with just under 90K. I have an SCT live wire from IDP. I am running the street tune, and other than a coolant filter the engine and trans are stock. I use the SCT for engine monitoring and my ECT and EOT delta averages 8-10 degrees. I usually run a B20 blend fuel from a reputable station with a high amount of turnover.
The other day I was leaving the beach after being parked for an hour or so and noticed the exhaust was a white-grey color as I left the parking lot under load. The ECT/EOT was around 150 degrees so it wasn't quite warmed up, but being a 6.0 I immediately started to freak out a little. I kept watching the exhaust for the ride home and every time I would pull away from a light I'd get the usual puff of all black smoke as I pulled away and the turbo came in. It also hasn't done it since, but I haven't had a chance to recreate the scenario above (the surf's been pretty flat!)
Any thoughts as what to look for? None of the searches I did seemed to match up.