Cummins isx white smoke

Find the Cummins parts you need in seconds. Price, picture of part and buy! Has anyone had a cummins isx smoke , its not white smoke either. Turbo boost gauge seem to fluctuate at idle.

They do not completely stop spraying fuel when they are OFF. White smoke often occurs when there is either too much fuel being injected into the combustion chamber, or not enough heat to burn the fuel. A brand new diesel engine running at full load will experience a little bit of blow-by upon startup.

Blow-by is a condition where diesel fuel, air and vapor are pushed past the rings into the crankcase of the engine. White smoke In the Cummins ISX CM8and CM8is NOT necessarily air in the fuel. This is a lot of times due to High Fuel Restriction. Most likely It is due to Fuel Restriction, as You have no faults. I would first perform a Cylinder Cutout Test, and Cutout the Injectors till the engine only runs on cylinder.

Leaking injector s can cause white to blueish smoke. Got behind a road tractor tonight that pulled out very slow in front of me. All of a sudden very large quanities of pure white smoke blew from the stack.

It was so thick is obscured sight! Thankfully the wind was blowing the cloud away from me, my window was down and you could hear him chugging like an old steam engine. Yes, the list with an ISX is long I agree with you, check the VGT controller.

Use Insite to view all parameters with the engine running. Scroll down to the turbo info, look at the percent closed and commanded closed numbers. TDC and plunger lift to determine timing. If the turbo is on its last leg.

The turbo will make strange sounds says the manuel. I forget the term they have given the turbo, But is it what I think. The ISX is a complicated engine. Basically, smoke from a diesel engine indicates that something is not right.

It should be taken as an indication that there is a problem existing (or developing), that will potentially shorten the engine life, or result in unnecessary costs. Diesel Smoke tells YOU a Story. The white smoke is unburned fuel, that is caused by a cold engine. The Cummins has a heater element in the intake to preheat the air prior to its entry to the combustion chamber.

Since this is a boat and marine diesel forum, an white smoke seems to come with the territory, I’ll first start by giving you about twenty years of personal experience with white smoke. However, thicker, longer lasting smoke is a much larger headache. Your engine is more than likely burning coolant.

If you are experiencing problems with your QSM or ISM Cummins engine, the following can be used as a general guide for troubleshooting. I do not believe your white smoke is oil but fuel from your VP4 I heard this same story (and had it happen to me) too many times. You may be loosing oil in the form of a leak but the white smoke your talking about sounds more like fuel which leads me to believe your VPis saying bye bye. Over the last seasons it has started to blow a constant haze of black smoke. I have checked the cam timing, set the injectors and valves (times), changed the intercooler, done the injector cut out and found number was a little weaker than the rest.

I had a new head new turbo new injectors done on an inframe. I know the smoke isn’t oil it’s diesel fuel and it smells like it’s unburnt diesel. The severity ‘is intermittent but will always do it when hot, over 1and at idle. Sometimes, if a vehicle is stopped and re-started during regeneration, interrupting the DPF regeneration process, excess smoke can be seen coming from the tailpipe.

Some, but not all, vehicles will alert the driver with a dash warning light if the DPF regeneration cycle is taking place or, more importantly, has not been completed for whatever.