Diagnosis and treatment of engine thermal starting difficulties. The other day I fueled up and have had terrible loss of power and black smoke. c. Debug the fuel injection pump on the test bench to eliminate the fault. It's a Cummins ISX 871 sitting in a 2009 Peterbilt 387 b. when It is necessary to use more oil supply for large and medium load, it cannot be satisfied, resulting in a weak driving. All of the above conditions can cause the fuel pressure of the low pressure oil chamber of the fuel injection pump to be insufficient, and only the oil supply amount required for the small load can be maintained. The fact that it is fine and then acts up is making me think it might be the fuel pump or possible a injector, but not sure since their was no engine light on. d. Check whether the fuel pump supply is too large. 2011 cummins isx 450 has no pulling power. runs really bad then will clear up and run fine starting to get worse and does it more, could it be turbo or injectors? Diagnosis and treatment of engine starting difficulty or failure to start and exhaust pipe emitting a large amount of ash and white smoke. This is a lot of times due to High Fuel Restriction. Smoke at idle is extremely minimal but there just the same and nothing nice as you know when the wind is against you. It sounds like he has an EGR motor with a blocked tube. a. 2005 volvo vn daycab with ISX 15 400 & 2000 bad turbo. a. No egr codes, also removed the egr and cleaned it and … read more 3. e. Check if the fuel injection pressure and spray condition of the fuel injector are good, and the fuel injector should not have a dripping phenomenon. I was dragging a 6,000 lb load and it was all it could do to pull 522 out of woodinville towards monroe. Cummins ISX - OverFlow Full? Check whether the intake valve of the tank cover is invalid, if it fails, a certain vacuum degree will be formed in the tank, and the diesel oil cannot be sucked out. Had it into cummins to get checked out and they can't find nothing wrong with it. The engine is difficult to start, and the exhaust pipe emits a large amount of black smoke, which is the result of incomplete combustion of the diesel oil. 1 0 obj <> endobj 2 0 obj <> endobj 3 0 obj <>/ProcSet[/PDF/Text/ImageC]/ColorSpace<>/Pattern<>>>/MediaBox[0 0 612 792]/CropBox[0 0 612 792]/BleedBox[0 0 612 792]/TrimBox[0 0 612 792]/Contents[ 4 0 R]>> endobj 4 0 obj <>stream %PDF-1.4 %���� Adds: No.2 Xingguang Road, Guxi Industrial Park, Taixing, Jiangsu, China. A while back it was starting to feel real sluggish and have low power. 2. No results. The black stacking at cruise isn’t bellowing like a locomotive on Bonanza, but again, there just the same. b. The governor spring is reduced in elasticity due to fatigue. Cummins Marine Diamond Performance Series Engine Sticker; ... (black) smoking a bit- at all speeds including idle. No boost. White smoke In the Cummins ISX CM870 and CM871 is NOT necessarily air in the fuel. I have a 2006 volvo with a cummins isx . Recently on occasion the truck will get loud (snappy) start to smoke and get very doggy! Do you smell diesel in the exhaust?. When I look aft while running, a faint translucent brown/black … hello I have a 2006 Cummins ISM (ESN, 35127420 ) This unit while driving surges with a small puff of black smoke, while watching the EGR data in insite, while at crusing speed arouns 1/2 to 3/4 throttle the EGR delta pressure bounces from about .5 to 4.5 inhg and the EGR cooler efficiency changed to … Thread starter Joker12; Start date Dec 24, 2017; J. Joker12 New Member. 4. g. If the above inspection is normal, but the fault remains, check whether the cylinder pressure and piston, piston ring and cylinder clearance are abnormal, whether the cylinder gasket is damaged or the valve is not tightly closed, etc. ;� �o? Started to slow down and had no power and whit smoke pooring out of the exhaust.