If the FPR was the culprit, it wouldn't be known, as the pump was replaced as well. Symptoms of a failure of the CP3 pump include hard start or no start, poor engine performance, lack of power, excessive smoke emitting from the exhaust, and low pressure. I once had 80 PSI going into my CP3 with no damage. How Many Miles Does a CP3 Pump Last? The overflow valve returns fuel to the gear pump inlet, provides lubrication for the pump, and keeps pressure in front of the metering unit (D) constant. As Todd Emmert, machine shop manager for Scheid Diesel, points out, the problem usually boils down to three key words: "Fuel, fuel and fuel. " High-pressure connector. I live in south florida so i dont think gelling is the issue. 08 Duramax CP3 Pump Failure Symptoms, Solution and Life Expectancy. Poor Engine Performance. Will a box accelerate the failure or no effect at all?
That's why we've developed the HHP Online Quoting System. Ready for a new fuel system, or any other diesel engine parts? A stroker CP3 can flow as much as 260 to 270 lph. Check the fuel pressure.
B acked by a 1-Year Unlimited Mileage Warranty and the industry's leading service reps. Highway & Heavy Parts has the fuel pumps and injectors you need! I think down to 20F, I didn't watch that closely. Modifying the metering unit (also known as the MPROP, FCA, or fuel pressure regulator) is very common because it's responsible for the quantity of diesel that feeds the high-pressure side of the pump. Frequently Asked Questions. Cp3 pump cummins failure symptoms video. With proper maintenance, CP3 injection pumps last 200, 000 to 250, 000 miles. One of the drawbacks here is that the valve seat wear increases (causing the suction valve to wear out sooner)—and while the pump will still last a while, longevity is sacrificed. COMMON RAIL OPERATION. Join Date: Aug 2009. End-of-line testing using exact OE test specifications.
Don't wait until your CP3 leads to more unwanted issues. The fact that the CP3 came from Bosch's heavy-duty line of injection pumps also speaks to its great reliability, as it was designed to play a vital role in million-mile engines. Beware that if my filter ever totally blocked the Walbro would blow my filter housing lid. Head gasket was my fault, pumped turned up too much, too heavy of a load, going too fast, no EGT guage, but anyway. The metering unit, also known as the MPROP, FCA, or fuel pressure regulator, regulates the maximum flow rate the CP3 delivers to the rail. The lift pump in the Ford diesel trucks supplies 50-60PSI and they rarely fail. Common Rails Common Problems: Typical Diesel Troubleshooting. There shouldn't be much. In the case of the '01-to-'10 Duramax and '03-to-present Cummins, the heart of the common-rail system has been the Bosch CP3. SOURCE: Scheid Diesel. A complete treatment is required for rebuilding essential parts such as hard parts, special tools, or testing equipment.
Thank you for all your guess and sorry for lack of info (newb). The icing on the cake is that these cleaner-burning engines make much more power than their predecessors. Finally, calculate the test results. Couple hours later got the same thing, major power loss, bogging, lots of black smoke. It may be hard to see here, but the bottom of the bucket on the left has been machined and is shorter than the stock one on the right. Filling up at a well-traveled, name-brand truck stop is a good place to start, Emmert advises. Cp3 pump cummins failure symptoms chart. An oscilloscope would find a bad plunger and barrel if just one is shot. And I like the fact it ISN'T in the friggin tank. Just fill out the form with your name, engine information, and the parts you need, and our ASE-Certified Technicians will get back to you with an estimate. I run a quart of tranny fluid through them about once per month. I'm sure it is all due to the lift pump issue and damaged CP3s. In other words, a clean (and dry) diesel is a happy diesel. I only have 10K miles on this '05 so I am curious to see if I have some of these problems.
In a Duramax or Cummins diesel, a low-pressure pump first draws fuel from the tank and pressurizes the fuel to around 10 psi. Purchasing high-quality replacement parts from Bosch is always a safe option. Barely made it home. The garden hose has a lot more pressure than the lift pump. If the nozzles are shot it will smoke while cranking but not fire. Stroker Pump Ingredient 1: Increased Stroke. Guys, a CP3 is just like a VP44. How Do You Test a CP3 Fuel Pump on a Duramax? Cp4 pump failure symptoms. I have an appointment for Monday morning (when the good diesel tech is off vacation) for my cp3 leaking. I'm taking to get it looked at in a couple of hours, i'm hopping its the lift pump, i was fixing to upgrade anyway. Then he collects and measures the fuel discharge by cranking the engine for ten seconds three times.
9L Cummins, the issue might be caused by loose retaining nuts on the HPC (High Pressure Connector; part number 4929864), aka cross-over tube. Thought I may have been out of fuel and how lucky was I to coast from the interstate exit, across the bridge overpass, and into the Shell station pump. Sings of injection pump "cp3"going out. Be it common rail Cummins problems, fuel control actuator issues, 6. It's actually a film or residue (what gasoline guys sometimes call "shellac" or "varnish" on a carb) created by corrosion from too much moisture.
But moisture can also come from condensation of outside air, leaky storage tanks at a fuel station, or even rainwater puddling on top of an auxiliary tank in the bed of a pickup. Guaranteed to meet all emission specifications. In the valve assembly, fuel passes through a tiny orifice at very high pressures. Have any of u guys had to replace the injection pump. Smoke at idle (one of the CP3 plungers/barrels is scored). Now, entrust us with your truck's fuel injection system. Actually, it doesn't mean anything special. It has a positive displacement gear pump feeding it and you'll blow up a lift pump before you damage it. "How does running a box such as an Edge with juice effect all this? In a PLN system, an inline injection pump handles the following functions: delivery of a pressurized and metered quantity of fuel to the injectors once for each power stroke; control of fuel injection timing; governor control of engine speeds and fuel delivery quantity related to the engine operating conditions. Also, modern common-rail diesel injectors can fire two or three times per engine cycle, doubling the wear on the injector compared to diesels of the past—hence the need for more conscientious maintenance. Call us at 844-304-7688, or request a quote online!
While that increase may not sound like a lot, in reality it is quite substantial, given that very little reliability is sacrificed. What would a better option be and what do they cost? I have owned an '89 CTD till 210K No Repairs. It need excess fuel for lubrication and cooling. Before getting into those details, we should first clarify how a common rail differs from other types of fuel injection. Remove the alternator bracket.
"You said in another thread we should replace the factory lift pump with a better one. The CP3 fuel pump has a longer lifespan than the CP4 but has some minor problems. "the CP3 does not requir or like high fuel pressures coming into it. If my pump failed tomorrow, I can change it without dropping the tank. You can, however, fix minor issues like a leak on your own. Produced and tested using the latest OEM technology and tooling available.
However, due to slightly higher efficiency right out of the box, the Duramax pump will flow 195 to 200 lph on a flow bench, while a Cummins pump will put out 180 to 185 lph. "If you install a different lift pump or put on a helper pusher lift pump beware you have to reduce the pressure or bypass it some how".