Cummins isx white smoke at idle

It does start after about seconds, but the smoke continues, as does the rough idle , it smooths out when revved to about 1k. So if it would idle for 10min the smoke would disappear because the high temp would compensate for the lower compression. High Idle or Low Idle? In many cases, white smoke emanating from the tailpipe (often at idle once the engine reached operating temperature) typically means a worn out injector.

Now this isn’t always the case, but after some trouble shooting we’re usually the go-to shop when diesel drivers need refurbishe rebuilt, or new injectors. The last time I used the engine brake, when I went back to accelerate I started getting white smoke out of the exhaust. After pretty much limping it home for a whole day that white smoke turned to a light grey smoke when I accelerated a little harder. For the most part I do feel a slight misfire, but it idles good still. If the exhaust smells almost like bug spray , it is unburned fuel.

Injector and poor fuel problems can. Most likely It is due to Fuel Restriction, as You have no faults. It smells like burning oil. Turbo boost gauge seem to fluctuate at idle. Join the over 10satisfied Diesel Pro Power customers and place your order today!

Causes of Diesel Engine Smoke - By Color. 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.

Re: white smoke and rough idle the only funny part about this is that everyone i talk to says head gasket but all along ive been saying no and nobody believes me but the bad thing is cummins you described it exactly and that concerns me. My next door neighbor recently bought a used SeaRay with twin 8. Temp, EGT, Boost is fine. This is usually the last color of smoke you want to see, particularly on gas cars.

If the smoke is thin, and goes away relatively quickly, than it is merely condensation. However, thicker, longer lasting smoke is a much larger headache. Your engine is more than likely burning coolant. ISX turbo junk Well ask a Cat GOof with compound turbo. Idle fuel psi 250min anything below this you will log low fuel pressure fault.

No Start, with no smoke. This could be caused by the fuel pump not turning or a seized gear pump. Cummins PT Fuel Pump Diagnostic. Remove the fuel supply hose and the fuel inlet fitting from the gear pump. In this article we’ll troubleshoot low power, or the engine just not running right.

If the engine doesn’t want to start at all, go here: Engine Not Starting Is it normal? If you start the engine, and immediately floor it, it will get to a. The turbo will make strange sounds says the manuel. The ISX is a complicated engine. I forget the term they have given the turbo, But is it what I think.

The white smoke is unburned fuel, that is caused by a cold engine. TDC and plunger lift to determine timing. It started rough our first cold day here a while back, so I thought I should change the fuel filter, I di then I got a leak from the water sensor on the bottom, (poor design IMO to put it there), ran fine for weeks, with the small leak, then the other day started idled fine, as i drove to the highway it jerked a few times, ran a little rough on the highway, and really rough at the lights.

It is a solenoid with a 2-wire harness going to the back of it.