White, Blue, Kinda purplish exhaust - Ford Powerstroke Diesel Forum

 
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post #1 of 5 Old 01-16-2010, 01:51 PM Thread Starter
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White, Blue, Kinda purplish exhaust

What does it mean when a diesel truck starts up and you get white smoke and or blue-ish purple smoke from the exhaust....i saw a bunch of people fighting on youtube comments about what it means and i was just curious because i don't know what it means? lol One guy said it's from reving it high when the engine is bone cold????
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post #2 of 5 Old 01-16-2010, 07:21 PM
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Mine has a similar color while cold.Clears once it is warm though.


2001 F250.Custom Tuned,Ball-Buster Turbo,5"Exhaust
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post #3 of 5 Old 01-16-2010, 07:39 PM
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If it's cold, white is usually glow plugs not working right (or just extremely cold).
-Aaron

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post #4 of 5 Old 01-16-2010, 07:48 PM
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I have a glow-plug out on my truck....I have some white smoke when I start it on cold days. I plan on fixing this problem next week. Exhaust smoke that is white, can be caused from a variety of reasons.

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post #5 of 5 Old 01-16-2010, 08:49 PM
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White usually from cold start. The blueish color is from oil.

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