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What causes white smoke?

April 26, 2017causes smoke white

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What causes white smoke?

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Careful, you can get arrested for that! Seriously, I had trouble with that one when my `94 was new. Again, TDR Issue 10 (page 35) has a detailed explanation about white smoke on start up. The bottom line is that it is unburned fuel and it is a fact of cold-weather diesel operation. The last paragraph of that article talks about advancing pump timing. It took that, plus a thermostat change, to stop me from losing sight of those behind me after a down-hill run.