Truck started smoking white/grey

99powerstroke7.3

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07 with 90k miles started smoking white at idle and more under a load. Had code for egr valve and flow insufficient and also turbo under boost. Smoke smells kind of like coolant but also has a fuel smell. Any ideas? Pulled egr valve and it was pretty clogged up didnt notice anything wet on it or in the intake just ALOT of soot.
 

webb06

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Egr cooler leaking, turbo oil seal leaking, or injector overfueling are your top 3 causes. Have you noticed any coolant loss?


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6.0 Tech

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Stuck open egr will smoke like crazy and smell like fuel. If its Stuck open wide enough, it will cause a no start. Coolant Will cause the carbon to break off in the untake and stick the valve. But sometimes it just happens as well. Clean the hell outta the intake when its off while youre doing the ******s.

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