You are logged in as a guest. Forums Classifieds Skins Language. View previous thread :: View next thread. Message format Flat Threaded Nested. Started it up lots of white smoke, like unburned fuel, make your eyes burn. Then put new injectors in, same thing. Ran engine a few days and reset valves, and mechanical injectors, still smokey. The smoke is not to bad when engine is under load, but your eyes still kind of burn. What are the possible problems? There is nothing on the fuel pump is there? What about wrong pistons?
Hope you can help. Woodstock,New Brunswick. The valve and injector setting method changes after the BC3. Bad injection pump with a stuck or seized timing piston will create some weird issues. How old are the injectors mileage? It's possible the pop pressure is too low and the idle spray pattern is pissy and creating the blue smoke from poor pop pressure. This will have the smell of raw fuel and typically burns the eyes. The head is a brand new head as well as valves, valve springs and seals.
I currently have 50hp injectors that were installed May of The blue smoke is definitely oil by the smell. The codes I was picking up P and P I have received these several times. Just last week I had the cam position sensor replaced.
Since then I haven't driven it enough to regenerate these codes. Best to take valve cover off and inspect the seals, see if they are tore or worked their way up of the seats. Its possible especially with exhaust break, some get lucky others don't.
Dreaded White smoke. Prev 1 2 Next Page 1 of 2. Recommended Posts. Posted March 21, Any suggestions? Appreciate the help. Link to comment Share on other sites More sharing options Dieselfuture Posted March 21, I have a lot of questions lol.
NIsaacs Posted March 21, White or bluish-grey? Other common causes of blue or grey exhaust smoke include poor seals on piston rings, valve seals, PCV valves, injector o-rings, or turbo seals.
There are a few low-cost solutions you can try to find the cause of the blue smoke and stop it from coming back. If you suspect you might be burning oil, Stiction Eliminator is an excellent place to start.
It works by removing the built-up sludge and varnish created by burnt oil and lubricating your engine. The stiction eliminator can also clean other engine components such as the oil pump, HEUI injectors, pistons and more. This high-quality oil treatment can help reduce friction in the engine, lower engine operating temperatures and make the engine run efficiently and smoothly. Stiction Eliminator belongs first on the list due to its money-back guarantee and ease of installation.
Another option you can try is to run a compression test. Many auto parts stores offer compression test units for rent, with your money back when you return the tool. You could also try replacing your PCV valves. In a new diesel engine the rings need time to seat properly and develop an air-tight seal. After a short period of break-in hours under load, the blow-by problem should correct itself.
Consequently, a proper running diesel engine should produce no visible smoke from the exhaust. If there is smoke coming from the exhaust it could indicate a more serious problem with the engine.
This article will help diagnose the underlying causes of diesel engine smoke. Diesel engine smoke comes in three colors: white, black and blue. Consistent smoke coming from the exhaust most likely indicates a deeper internal problem with the engine.
Newer electronic diesel engines with common rail injectors simultaneously match the speed of the turbo with the metered flow of diesel fuel into the cylinder. White smoke coming from the exhaust usually points to one point of failure: the injectors.
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