Why does my GMC diesel have blue smoke in it?

Why does my GMC diesel have blue smoke in it?

Blue white smoke that burns your eyes is un-burnt fuel; cold temperatures, high altitude and excessive idle time all mean cold combustion and white smoke. Possible bad injector, use the scan tool to cancel one cylinder at a time and see if the smoke clears up.

Where did the smoke come from in my Chevy Duramax?

As I tried to keep the truck moving enough to pull off to the side of the road, blue/white smoke came pouring out of the right front fender well so we stopped and bailed out. The smoke stopped immediately and 30 minutes later I was able to drive the truck again.

What to do if you have blue smoke coming from your engine?

First of all, remove the valve cover and do necessary cleaning to rid your engine of debris. Despite various type of engines , the first thing which can cause blue smoke is surely the engine. Clean the drain back holes carefully and recheck and reassemble them. After the mending job, wait for 2 or 4 more days for the remaining oils to clean away.

What kind of smoke comes from a diesel engine?

Blue Smoke: Blue engine smoke is the rarest type of smoke emanating from a diesel engine. The presence of blue smoke is an indication of burning oil. Blue smoke should not be ignored but is common when starting an engine in a cold weather.

What to do if your GM car has blue smoke?

3. Inspect the PCV baffle drain holes to see if they are plugged with hardened oil deposits. If they are plugged, replace the valve cover, and make sure that the customer is changing the engine oil according to the maintenance schedule in their owners manual.

Why do I get blue smoke from my diesel engine?

Once the engine is warmed up, the use of the glow plug is not necessary as the heat of the engine makes ignition of diesel fuel. If a diesel engine has a bad glow plug, it will create blue smoke at startup until it has warmed up.

Blue Smoke: Blue engine smoke is the rarest type of smoke emanating from a diesel engine. The presence of blue smoke is an indication of burning oil. Blue smoke should not be ignored but is common when starting an engine in a cold weather.

When to shut down a diesel engine with smoke?

No matter the color of the smoke it is not something you should ignore. A properly working and maintained diesel engine should produce no visible smoke. Make sure to shut down the engine immediately if you encounter excessive smoke as further heat or load could severely damage the engine further.