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First question:On startup truck white smoke a cloud but goes away after warmup kinda blue to after the white smoke start up but once it’s warm it’s fine what could be the problem? Second when I get on it it black smokes then hazzes to gray seems to run fine though ?
 

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Things to look into;

1. Too much fuel - leaking injector(s)
2. Not enough air - clogged air filter or other obstruction in the intake system

Gray and Black are Fuel, (unburned and too much to burn) Blue is oil burned
 
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