5 9 Cummins white smoke on startup

They smoked on start -up and for minutes after until broker shut them off. He says its normal for the Cummins mechanical diesels to emit white smoke until well warmed up. Is this true with your experience? Dies if given to much fuel on idle or driving, then hard to start and blows white smoke and rough idle.

Only does this with a cold engine. Has a new overflow valve. Lasts about mins pretty rough runninh until warmed up then seems to run great. If so how long do nbn I have generally before i NEED to get that fixed. It does start after about seconds, but the smoke continues, as does the rough idle, it smooths out when revved to about 1k.

L Cummins engine, and I am having some problems. Sometimes when it is col the truck sputters and blows white smoke , and it takes a few minutes to clear out. Blue smoke is oil, probably turbo leak. White smoke is cold smoke , low compression or late fuel timing.

Old diesels will smoke white on start up and clear up as they warm up and get some compression. Borg Warner Velvet Drive to Cummins 5. 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. I know in the old days the dodges had a way about starting up an engine and that would be where. 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. It has under 70k miles. My wife and I were driving home from our annual Christmas break trip to Arizona. We were pulling a car trailer that had our Suzuki Sidekick 4Xon it that we had used to explore around the desert with on our trip. TDC and plunger lift to determine timing.

Basically, smoke from a diesel engine indicates that something is not right. Diesel Smoke tells YOU a Story. 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. If the exhaust smells almost like bug spray, it is unburned fuel.

In the last few days i noticed it had a strong smell of raw diesel and it is blowing white smoke. Tonight when i started it it was blowing white smoke for a good while and a very strong smell of raw diesel. Can someone find me a video or something on how a perfectly normal 5. In the forum you will find an informative tech area, a place for Member’s journals, Vendors with special Members pricing, and more! Condensation that accumulates inside the exhaust pipes, converter and mufflers can produce a puff of white smoke upon diesel engine start-up.

In very cold temperatures, the heated exhaust can freeze into minute fuel droplets when exiting the exhaust and produce a more prolonged emission of white smoke for a very short period of driving time. Hi CJLennon, Cummins recommends using the dial indicator method for setting non (top stop) injectors. Star instructed the dealer to remove the exhaust manifol let the truck sit for hours and then start.

The cylinder that was smoking should be the leaking injector.