White Smoke on Startup

[Chrisbowyer6.7]

In the morning after my truck has set all night, when I start it I get a puff of white smoke and with a couple throttle blips it disappears. It does not smoke white any other time. What could be causing this and should I be worried. It is a 15 2500, fully deleted, and 5" straight pipe TBE. Tuned with efi live hpp. The truck runs fine and all of my temps are normal on the gauges. EGT'S are between 480 and 725 degrees. Any input would be greatly appreciated

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[Cflanery88]

Moisture? Hot exhaust gasses hitting the cooler moist air. Along with possible condensation in the exhaust pipe.

 

[DISTURBED]

If you take the EFI off of it does it still do it?

 

[Tobin]

Is it making oil?

 

[Chrisbowyer6.7]

Moisture? Hot exhaust gasses hitting the cooler moist air. Along with possible condensation in the exhaust pipe.

That's what I was thinking/hoping.

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[Chrisbowyer6.7]

If you take the EFI off of it does it still do it?

Haven't tried it.

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[Chrisbowyer6.7]

Is it making oil?

I'll check. I'm on nightshift and just woke up.

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[Chrisbowyer6.7]

Is it making oil?

Just checked oil and its the exact same as it was when I changed it last. No rise in level.

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