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  • Diesel Engine Smoke: Blue, Black, or White? - boats.com

    Feb 07, 2017 · Black Smoke. Black smoke is caused by excess, unburned or partially combusted fuel, or conversely by inadequate air supply to your engine. In either case the fuel-to-air ratio for your engine has been altered significantly. The trick, of course, is figuring out …

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  • Black smoke??? | The Diesel Stop

    Jul 14, 2010 · Geared down the E40D all the way to first. Topped the hill at 30 km/hr in first gear RPM 2800 Boost 5-7lb Pyro 1050F trans about 200F. Suddenly black billowing smoke in passenger side mirror. My wife says it's the exhaust. I back out of the throttle and it settles down but there is nowhere safe to stop so hammer back down and the smoke comes back.

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  • Mixture says lean, plugs rich and Black smoke [Archive

    Sep 21, 2013 · View Full Version : Mixture says lean, plugs rich and Black smoke. 4wheelin. September 4th, 2013, 09:36 PM. I've a vehicle that's been doing my head in. It is a 6.6L cast iron Bottom end LS1 with a ProCharger 15 psi and a 235/245 cam on 116. It starts, idles and cruises well at light throttle in closed loop but under load fouls plugs and fumes

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  • How to Repair Your Lawn Mower When it Blows Black Smoke

    Lawn Mower: Blows Black Smoke From Exhaust . If blue smoke comes from your exhaust, check the air filter and carburetor in your lawn mower. Our symptom and repair guide can help you identify the problem and the best way to fix it. Check the manual related to your model for more specific repair instructions. Our instructions are a general guide.

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  • Causes of Diesel Engine Smoke - By Color - Capital Reman

    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.

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  • 2002 LB7 Black Smoke under throttle | Diesel Place

    Sep 23, 2013 · BUT it blows alot of black smoke under moderate to hard throttle. It smokes very little at idle or part throttle. when taking off aggressively the boost goes to 15lbs rather quickly then stops there. I stuck my Edge Race Evolution CS on it a set it to program 3. The boost went quickly to 17 then stopped.

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  • How to Repair Your Lawn Mower When it Blows Black Smoke

    Lawn Mower: Blows Black Smoke From Exhaust . If blue smoke comes from your exhaust, check the air filter and carburetor in your lawn mower. Our symptom and repair guide can help you identify the problem and the best way to fix it. Check the manual related to your model for more specific repair instructions. Our instructions are a general guide.

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  • What to Do When a Tractor Is Blowing Black Smoke and …

    Black Smoke From Exhaust: Main Causes and How To Fix | CAR

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  • I have a Cat 235 BLC excavator that billows out black smoke…

    Nov 06, 2018 · When the engine smokes black, the excavator is weak, and the engine load sound is changed when it is working. It is likely that the hydraulic pump power exceeds the engine power, that caused black smoke. At this point, first reduce the hydraulic pump flow and pressure.

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  • Why Is My John Deere Tractor Spitting out Smoke? | …

    Nov 22, 2016 · Look at where the live cursor moves to during this black smoke occurrence, and tune (lean) that area of the Base Fuel Table. If you'd like to manually tune the Base Fuel Table (even while the engine is running), read below

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  • Ford Transit Forum • View topic - the causes of black smoke

    Jan 09, 2011 · Got a 2000 Smiley, 2.5di with 125K on the clock. Just done the timing belt, fuel/oil/air filters, sorted out a load of oil leaks, temp sender issues and cured a ton of rust I have been using it recently now I have got it back on the road, but noticed the other day I'm pumping black smoke.

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  • Black smoke during load change - manual vs auto | Dodge

    Jul 24, 2020 · Ive never seen any black smoke from my automatic truck, under any conditions. On the manual truck, if it's lightly loadEd, and then I go heavy on the throttle, a poof of black sooty smoke comes out for a second as the fueling changes. it doesn't seem to put out any colored smoke at any other time.

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  • Black smoke from exhaust - The Nuffield Tractor Forum

    Feb 09, 2018 · As a result, more fuel is being burnt. And, ultimately this causes black smoke from exhaust irrespective of the fact that the fuel injectors are working properly. Besides this, due to the heavy load or during hard acceleration also black smoke can be found, as the fuel is not injected at the right time. 2. Damaged Fuel Injectors

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  • 2007 Fiat Ducato 2.3 black smoke issue | Motorhome Matters

    It's nearly always the solenoid valve and or throttle body at fault. You were right to check the turbo pipes, it only takes a small split in a pipe or pin-hole in the intercooler to produce a lot of black smoke under load. N Edited by euroserv Kefid 3:40 PM

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  • Black smoke from Yanmar 3GM | YBW Forum

    Jun 17, 2003 · Do not open the throttle quickly. Marine engines are generally simple in design and opening the throttle wide thus putting max fuel in before the engine is running fast enough to get enough air in it just means unburnt fuel ( black smoke) in the exhaust. Look at a ferry's stacks 15 mins before it leaves as the engines are put on load for example.

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  • Stock 6.4 black smoke? | Ford Powerstroke Diesel Forum

    Nov 18, 2012 · Discussion Starter · #1 · Jul 25, 2012. I have a stock 08 Job 1 F350 with the 6.4, it seems to blow a fair amount of black smoke for being stock. At 3/4 throttle with no trailer its enough to see from the convex mirror, always goes away once i get off it. If i …

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  • black smoke - Ford 9N, 2N, 8N Forum - Yesterday's Tractors

    May 04, 2015 · Posted: Sun May 03, 2015 7:44 am Post subject: black smoke: On my 51 8n when you throttle up real fast it its out a little black smoke then today I down throttled quickly and it put a good little bit it then to the Carb is in adjustment as it runs great is this just normal?

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  • Black Smoke on Full Throttle (experts needed) | TDIClub Forums

    Jul 28, 2016 · Runs well, accelerates well. Black smoke cloud when giving full throttle. Most notably in 3rd and 4th gear. Fails emissions due to smoke. Timing is set at around 65. No check engine light. Got quite a bit of oil from the SMIC when I installed new one (which is the last thing I …

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  • Black Smoke from Exhaust : Causes and How To Fix it – Rx

    May 30, 2021 · Black smoke from the exhaust is one of the easiest smokers to recognize and fix as well. That's why mechanics usually advise car owners to inform them when they spot this type of smoke as soon as possible. The reason behind this that most car owners tend to ignore the smoke claiming it will disappear on its own.

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  • The main reasons for black smoke of engine - JYHY DIESEL

    Why is my lawnmower blowing black smoke? The most common reason for black smoke from a lawnmower engine – the choke is set to "On". Other possible reasons: Choke stuck "On" Blocked air filter; Faulty carburetor; When your mower starts and warms up, move the throttle lever off the choke position. Choke is only needed for cold starts.

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