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Smoking cummins.
Jul 21, 2023 · Bad injectors can cause a 5.
Smoking cummins. I know Feb 19, 2022 · Has anyone experienced excessive blue smoke at idle upon startup when the truck is cold? Sometimes the engine will knock and miss if running on 3 cylinders and eventually clear up. We just towed the RV a few thousand miles and Jul 22, 2021 · New Cummins water pump was installed I believe last summer. Seems like you took a hit on compression from the aftercooler failure. Probably ok to just live with it. Oct 7, 2021 · Analysis of the causes of black smoke: Cummins diesel engine exhaust emits black smoke, which is a phenomenon in which diesel is not fully burned, and carbon is decomposed and discharged with exhaust gas under high-temperature conditions. I put in some good used, smaller injectors and now it doesn't smoke at all. I’m aware that in general that would mean injectors Jul 21, 2023 · Bad injectors can cause a 5. we have a cummins b3. Ive been making extra sure to cool down by idling even after short drives but is this caused by a worn May 17, 2016 · Ok so a while ago probably a year ago I posted about my truck popping at high rpm almost like a misfire but popping out of the exhaust. Heck in my 07 duramax would smoke blue a little when cold for 10-20 seconds. While Feb 28, 2016 · Search this forum Printer friendly version E-mail a link to this thread 6. Oct 17, 2017 · Cummins Marine Diesel Repower Specialists › Forum community › Cummins Marine Engines › 6BTA Smoke at start Advanced Search Nov 6, 2019 · Discover some tips to overcome some smaller Cummins engine problems with help from Diesel Pro Power. 32'Novi, 17,000lbs,2. Today I smelled it and it kind of smells like coolant. Do you have any experience with 5. Any recommendations for an excellent replacement alternator? I'm really not inclined to get one from Mopar, but am open to all thoughts and suggestions. my name is rich and found this forum because i am stumped. I found a receipt for a diesel truck shop in one of my 1st gen parts trucks so I call the company and explained the story above. The Cummins never smoked other than black dust upon heavy acceleration. 9L should do 32+PSI peak boost. The PT fuel system varies the injection timing from retarded at no load idle to full advance at full load/ rated horsepower. This will cause the engine to smoke under load. Nov 27, 2024 · Hey all, driving down the road the other day with my kids & all of a sudden i feel an immediate power loss just cruising down the road. The engine is not … Read More Nov 11, 2017 · About a two months ago I had an issue with my truck had the valve cover gasket replaced and haven’t had any issue until a couple weeks ago I started it up and it was running rough again, has a loud knock and has white smoke coming from exhaust. The pump is not timed. I have a fuel pressure gauge. 2K views 14 replies 7 participants last post by jsram01 Dec 19, 2024 Sep 21, 2010 · Hello, I have been fighting with a Cummins big cam 400 vintage early 90's in a 92 Pete. It clears up some after the engine comes up to operating temperature. You mentioned checking pump timing. 9 24v Cummins it is pushing out a ton of smoke. The fuel Feb 1, 2017 · Blue smoke on 6BTA cold start is partially burnt fuel and has nothing to do with lube oil. How much smoke does it throw? Can you post a video? 24lbs peak boost is too low. Not clouds but just a little. With no cat it will smoke more than stock but nothing major. Sep 25, 2010 · I'm new to this site and I'm hoping someone on here can help me. No shame here. sent heads out supposedly Feb 10, 2018 · Smoking Cummins 855 Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Working2party, Feb 10, 2018. At the advice of a diesel mechanic I used a Feb 7, 2015 · White smoke can also indicate water vapor, ie Steam due to exhaust system condensation or coolant/water leakage into the combustion chamber. Doesn’t matter the outside temp. Re: Slight white smoking Nice looking '97! There are a number of possibilities - if the idle is smooth and no smoke issues at idle, I am not highly suspecting an injector issue. May 23, 2011 · Hello all. Open the hood, and do not see anything abnormal. I've done this haul before and normally to get up the hill it's black smoke. Lower compression makes cold smoke worse. We have had no major problems with the diesel other than the ECM died last month. I had the IP changed and put on AD100, and starting noticing smoke with little power. . problem Nov 3, 2009 · I rerouted my crankcase tube behind the engine two days ago, and yesteday i notice alot of smoke coming out it, and I also noticed oil in my air filter:confused013: is this normal? i check the oil this morning and i dont think Im losing oil. In this article we’ll troubleshoot low power, or the engine just not running right. It did this with the old 75hp injectors and still with the new 150hp in White Smoke If you see white smoke coming from your diesel truck’s exhaust, one of the best Cummins diesel repair shops in Steeleville IL – Mevert Automotive & Tire Center. It is an unintended side effect of the injector design. 57:1 gear with a 23x26 high cup wheel. Excessive smoke during startup is an indication of a leaking injector. Smells like normal exhaust. My 6bt lets out a cloud of black and grey smoke when it starts up then has some blue haze for about 30 seconds too. Here’s the setup on my truck: 2016 RAM Longhorn 80k miles Tuned by DRD 5” straight pipe ARP head studs S&B intake Grid heater Delete Pusher ram air with hot and cold side piping Dec 31, 2015 · 94-98 12 Valve Cummins Low Power, Sputtering, White Smoke. Get advanced repair methods and preventative strategies. Cummins released the 6BTA 250 around 1987 and this was an upgrade of the 6BT 210. Sometimes it will go into high idle, and the engine will sound smooth but will have a blue haze from the exhaust. Where and from whom did you purchase your injectors from? May 29, 2013 · Assuming the white smoke is not coolant (most probably given the high rate of consumption) it is most likely fuel that failed to light. Anything else? Pic attached, hopefully you can see the smoke in it. Feb 10, 2018 · Smoking Cummins 855 Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Working2party, Feb 10, 2018. Sep 16, 2014 · Hi there, I have a QSX15 Cummins with 6000 hours on it in a John Deere forager. Trans will still shift. Whether you’re experiencing Cummins diesel engine starting problems or too much smoke, our specialists have put together a Cummins troubleshooting guide to help keep your marine diesel engine running smoothly. If you’re having any of these issues, then it’s time to have your 5. I cant seem to keep the fuel fulter full. But some blue smoke is to be expected when its cold out. But, I noticed that it is missing at full load. I've seen longhaul trucks drive from new york to cali and back to michigan with valve adjustment screw completely missing and the pushrod Mar 20, 2010 · White/blue smoke? Does it clear up while you are pulling a load? If so its running like an old cummins! Old Iron is right, these things smoke alot. 9 Cummins injectors checked by a professional. If you didn't have white smoke with the old injectors; then you upgrade the injectors and you suddenly do. Understanding what blue, white, and black smoke mean can save you time, money, and headaches on the highway. 6 days ago · Rawze. May 30, 2023 · Re: White Smoke - Very Rough Idle - Need Urgent Help! I haven’t unplugged the FCA since the rail pressure dropped. I’ve exhausted all of my knowledge of what to do. There's two reasons for this to happen, the fuel didn't arrive in time or there wasn't enough heat to start the fire. It goes away after driving but if I sit and watch long enough puffs of smoke will intermittently come out the exhaust. Tach is 200 high. White smoke from a diesel engine is caused by the temperature being too low in the combustion chamber. Offering a complete application guide for finding the injection pump, injector, or turbo charger that fits your agricultural, industrial, or light truck needs. Dec 17, 2024 · May's Cummins of the Month is now open for entries! Excessive black smoke at idle Jump to Latest 1. Mar 14, 2015 · 08 with 114k on it the truck is DPF deleted and is NOT going into regen as that feature is deactivated and i even reflashed my truck to make sure. This is a straightforward procedure. Since this is a boat and marine diesel forum, and, white smoke seems to come with the territory, I’ll first start by giving you about twenty years of personal experience with white smoke. Probably cranks a good 10 seconds before it fires up. FWIW, My 30yo injectors started smoking super bad at idle - hot or cold. Never an outrageous amount of smoke but still some and it's pretty black. Jan 7, 2025 · i got a 2013 cummins, deleted and tuned with a bullydog tune. Blue Smoke So, you have some blue smoke billowing out of your exhaust. Nov 30, 2024 · For a few weeks my truck has been showing some blueish smoke at idle. Just started 2 days ago. Jun 16, 2025 · Cummins White Smoke Problems: How to Diagnose & Repair Like a Pro 1. So back to the shop who replaced IP under warranty, this helped the power Feb 10, 2018 · Smoking Cummins 855 Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Working2party, Feb 10, 2018. I recently bought a 1999 Dodge 3500 dually with a 5. Cold starts, excessive idle times, and cold weather operation can increase the occurrence of blueish-white smoke. Start up gives a good puff of smoke. Over the last 2 seasons it has started to blow a constant haze of black smoke. Well now I have no more boost leaks Jan 11, 2007 · The smoking then just kept getting worse and less power and pyro was running hot all the time, well cummins did some searching and figured its the actuator in the turbo. Loaded it Aug 26, 2017 · I have an L10 Cummins (Mechanical) that is smoking a lot of white smoke. It also does this from a stop when Jun 9, 2025 · Learn the comprehensive diagnostic framework for white smoke in diesel engines, covering root causes like fuel system pathologies, combustion chamber issues, and aftertreatment interactions. I have checked the cam timing, set the injectors and valves (2 times), changed the intercooler, done the injector cut out and found Apr 5, 2009 · Cummins Smoking We have a 2004 Dodge Ram 2500 with a Cummins Diesel and 101,000 miles behind us. Started smoking, still ran good. The three head gaskets looked ok not blown through. I know just what I've learned working on and reading these forums. It's still smoking. Aug 30, 2024 · Cummins Marine Diesel Repower Specialists › Forum community › Cummins Marine Engines › 6BTAs 5. After 1300 RPM she starts smoking, black to brown. i have been a mechanic for a rental equipment store for 32 years and am finally stuck. Also when I accelerate (under load) there a haze of white smoke but clears up when I get to speed. Apr 23, 2023 · X15 Exhaust smoke while climbing a steep grade Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Josiah Harder, Apr 23, 2023. Tried to bleed at Nov 27, 2014 · Hi really need some help with my cummins engine I have 1978 855 NTC that is smoking badly, the truck overheated and was blowing heavy white smoke, so I took apart the top of the engine and had the heads checked. White smoke can also be related to incorrect timing. It normally clears when warmed up. Why would a diesel have blue smoke? Blue smoke only occurs for one reason, excess lubricating oil within the Aug 14, 2018 · hello gentelman and also any ladies out there. The coolant resevior does go low every few months and I keep adding coolant. Thanks y'all! Feb 10, 2018 · Smoking Cummins 855 Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by Working2party, Feb 10, 2018. I have a 2000 24 valve. Fundamental Mechanisms of White Smoke Formation White smoke in diesel engines results from the presence of unburned fuel or coolant in the exhaust stream. Doesn’t matter if the Quad is on or off. when cold starting it smokes an un healthy amount of blue/white smoke. Blueish/white smoke--partially burned fuel at low operating temperature. 3 turbo around a 2013 model that is powering a vermeer 10 inch wood chipper. Engine starts really hard. This phenomenon not only reduces engine power, increases diesel consumption, but also easily forms carbon deposits and shortens the service life of the Re: Slight white smoking Nice looking '97! There are a number of possibilities - if the idle is smooth and no smoke issues at idle, I am not highly suspecting an injector issue. First Diesel, fairly new to me. Read our Diesel engine troubleshooting tips online at Diesel Pro Power. 9L Cummins engine’s performance with our third-party tested additives. Add Hot Shot’s Secret Diesel Extreme to your fuel tank to clean injectors, optimize combustion, and effectively reduce emissions. I'm trying to upload a video Sent from my SM-G955U using Tapatalk 0 Comment (s) Register To Reply 07-16-2017 Top Of Page | #2 May 24, 2021 · It's not smoking the whole time I’m driving, but it’s definitely not 100% clear and definitely doesn't sound 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 Oct 16, 2008 · My crankcase breather hose ( bottle eliminated, I extended the hose down to the front axle) -- it spews white smoke all the time when the engine is warm enough. You can obtain the injector flush kit from Cummins, which will clean the injectors. Oils clean, coolant is clean. Dec 8, 2024 · Now I do live in the PNW so humidity is often 80-100% whenever I start it below 50 degrees I get white smoke for 30 seconds - 1 minute and if it’s below 40 it’s very excessive. This is the complete guide to blue smoke from a diesel. At speeds above 1600 rpm, I have black smoke coming out of the exhaust (more erpm, more … Read More Feb 20, 2010 · cummins isx with dpf blowing blue smoke Discussion in ' Trucks [ Eighteen Wheelers ] ' started by Maxidyne, Mar 13, 2010. That could have corroded cylinder walls or valves. Apr 13, 2012 · I'd second that. If the smoking issue persists after the flush and adjustment, then it is necessary to identify the failed injector (s). The more common issue is fuel injector problems. On acceleration it stumbles and misses, especially around 1,100-1,250 RPM. i was simply just driving home from work like a grandma not beating on it or anything when i get off the highway and notice a trail of heavy white Are you experiencing excessive crankcase pressure or white smoke when you remove your oil fill cap? Find out more about this blow-by issue today. This happens randomly like it will do it one morning but not the next. Jul 16, 2017 · White smoke on startup Smoking and looking on initial startup after it sits over night. Nov 1, 2009 · I have noticed my truck is smoking a lot more than other 24v cummins. It's weird; it won't do it if Sep 1, 2022 · I have a single 1998 Cummins 6BTA 5. I can wait if it means it's best to order one. So from what I’ve read, I fear injectors. 9 Cummins with no catalytic convertor. Jun 6, 2022 · White smoke when cold is common on an aging engine. Well at the time I had boost leaks, weak fuel pressure, and all sorts of problems so it was hard to say what the cause was. I replaced all the injectors, two head gaskets, fuel supply line from tank to filters. Idles kinda rough too. 9 Cummins injector failure? Jun 3, 2011 · The blue smoke trail was huge and worse than I had ever seen and I had enough at that point. Smells like oil. About 2 weeks ago I notice that at 1800-2000 rpm's the truck would kiond of miss or surge a little bit, losing some power. Nov 3, 2016 · Totally stock 2007 5. any ideas what could be the problem? thanks guys Jan 3, 2025 · from google ai "Excessive smoke during regeneration" on a diesel vehicle typically indicates a problem with the Diesel Particulate Filter (DPF) system, where the filter is trying to burn off accumulated soot during a regeneration cycle, resulting in more visible smoke than normal, often due to issues like clogged filters, faulty fuel injectors, or driving habits that don't allow for proper Aug 4, 2019 · N14 Celect Plus Misfire and Gray Smoke Discussion in ' Heavy Duty Diesel Truck Mechanics Forum ' started by SpeedyGonzalez, Aug 4, 2019. If I throttle more it does nothing but blow white smoke, it's not a thick smoke and it doesn't smell sweet. Truck hasn’t given me any indications of a problem. if I wanted to I could leave an entire intersection in a black cloud and I would like to stop this as I am sick of seeing my hard May 18, 2016 · So yesterday, I was pulling my uncle's boat and as I was coming up through the canyon I noticed that I was blowing a bit of grey smoke. Does it look like a blue haze? ???? What is the cause? Maybe you are like me and have to look it up every time. Unknown hours WOT is 2750 RPM photo tach. Incorrect/failed fuel injection components. I did not have any smoking really until injection pump went out. I will say that rail pressure was good before I swapped the injectors, and pressure spiked to 29k after unplugging the FCA. itll puff once or twice Prevent white smoke and boost your 5. Its very possible for a diesel engine, especially a cummins in the pickup world to run for 100K miles after having a piston crash with the valvetrain. 9l Cummins And Have A Loud Knocking Sound Or A Ping If You Can Imagine That. Apr 28, 2018 · Keel cooled JWAC 6BTA, CPL CPL953. We can always test the injectors for you - if they have 100k+ it might be worthwhile anyway. The engine sounds audibly different like its running on 5 vs 6 cylinders. I am thinking it is the injectors. Do Mar 21, 2019 · I have white smoke when I start up. 9 Cummins to run rough, have low power, cause long crank times, and eventually lead to engine failure if left untreated. This can happen when either there is raw diesel fuel that passes through to the exhaust, engine coolant is entering the combustion chamber, or the piston or other components are worn, damaged, or not correctly installed. Well, you think it’s blue. there Is Blue Smoke That Comes Out When I Idle After It's Been One of the most telling signs of a diesel engine's health is the color of its exhaust smoke. 9 370 MAJOR Smoke On Start Advanced Search Jul 14, 2016 · Re: White Smoke, Sputtering, No Power here is a video. com: Rawze's ISX Technical Discussion and more / Big Truck Technical Discussion / ISX Related Help / CM870 Smoking Issues Jan 2, 2008 · I Have A 05 5. Aug 18, 2018 · Cummins M11/ISM (it's a 2003, so not sure which it is) in an International dump truck. It’s probably going to go to the shop. Check blowby for puffing at hot idle. 9 M3 engine, CPL 1975 in my 1999 Nordic Tug 37 with 4251 hours on it. White smoke could mean one of two things: Fuel injectors or a head gasket problem. 2007 5. Its a lot more normal for a diesel than for a gas Dec 9, 2015 · Lots of guys talk up the 24v like its some godsend, but really its just a 12v with more parts to break. Takes about 20 seconds to smooth out. ondtjumegnrrlyygrzvarsrcbngdtrqhmatdwteuquxivofiligocm