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8 Posts
2004.5 LLY Sierra 2500HD with 165k miles
Lately the truck has been bogging down after sitting at a stop light and when I go to take off it'll just blow white smoke. I have to put it in neutral whomp on it, it builds some pressure and puffs out white smoke and eventually the truck will blow some black smoke and then it is good to go again. I have an K&N air intake, recently cleaned that and the MAF along with the Turbo vane position sensor. I also have S&B mouthpiece, other than this the truck is stock. Fuel filter has been changed and the issue is still present. Am I sucking air from somewhere, or is this an electrical problem, turbo problem? I have not lost any coolant and none of my hoses are hard. This has been going on for like two months and is really stressing me out. Im new to the diesel world so any help is greatly appreciated. Thank you!
Lately the truck has been bogging down after sitting at a stop light and when I go to take off it'll just blow white smoke. I have to put it in neutral whomp on it, it builds some pressure and puffs out white smoke and eventually the truck will blow some black smoke and then it is good to go again. I have an K&N air intake, recently cleaned that and the MAF along with the Turbo vane position sensor. I also have S&B mouthpiece, other than this the truck is stock. Fuel filter has been changed and the issue is still present. Am I sucking air from somewhere, or is this an electrical problem, turbo problem? I have not lost any coolant and none of my hoses are hard. This has been going on for like two months and is really stressing me out. Im new to the diesel world so any help is greatly appreciated. Thank you!