6.0 smoking problem
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6.0 smoking problem
Alright guys, coming to you because I’m completely stumped. Truck has been smoking, less at idle more when initially taking off from a stop or giving it more gas. It’s like it slowly builds up more smoke when I’m driving it, but when I park it and let it idle it slowly clears up until it’s almost nothing. Just rebuilt the turbo with fresh seals and replaced an injector that threw me a code months ago, no change in it at all. Can’t tell if I’m losing coolant as my radiator has a little leak anyway. Smoke doesn’t smell like much out of the ordinary and has a blueish-white color. No tune keeping the egr closed or delete. It’s a 2005 and the only codes I’m throwing are a couple of glowplug codes.
Fleet Mechanic
Joined: Jan 2016
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Partially clogged injector that can't feed full fuel at higher rpms? Worn engine piston rings? Bad valve seals? Blueish would probably be oil, and white/gray most likely unburned fuel. What does a cylinder balance test reveal?
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It isn’t blow-by seemingly. Don’t have the tools to do a balance test but hoping to soon.
Logistics Pro
Joined: Jan 2010
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This SOUNDS like a classic case of bad injector/injectors. You may not be throwing codes yet but it will at some point throw an injector contribution code. If you have access to a data logger you should be able to pull the info and see which injectors are acting up.
When I had (2) fail simultaneously on my last 6.0, I was told NOT to drive it anymore until the injectors were replaced, as it could damage the engine.
My suggestion is to get it to a good diesel shop and have them diagnose it if you don't have access to the tools yourself.
When I had (2) fail simultaneously on my last 6.0, I was told NOT to drive it anymore until the injectors were replaced, as it could damage the engine.
My suggestion is to get it to a good diesel shop and have them diagnose it if you don't have access to the tools yourself.
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