How can you tell if you have a bad injector on a Cummins?
How can you tell if you have a bad injector on a Cummins?
Symptoms of a bad injector pump on a Dodge Cummins 5.9L engine include a hard start, no start, or low power.
What is the FCA on a Cummins?
The Cummins 4932457 FCA is a metering device that determines the flow of fuel to the CP3 fuel injection pump. The Cummins 4932457 Fuel Control Actuator determines the rate of fuel pressure provided by the fuel injection pump for proper engine operation.
What causes Cummins injectors to go bad?
Fuel injectors will fail when debris (water, dirt particles, etc.) or rust find their way into the system and, after time, plug up the nozzle, the armature, or the nozzle needle gets stuck. To prevent debris from getting into the system, we recommend doing everything you can to help keep your fuel system clean.
Is it bad to let Cummins idle?
Now in the winter time it is harder on the engine to let it idle since the engine will cool down below that temp. It will actually cool back down to 140 if it’s cold enough. Then you have to put it in high idle to allow the engine to build more heat.
Is it bad to let a diesel idle?
Most engine manufacturers recommend that newer diesel engines idle for no more than 3 minutes before driving. Letting an engine idle actually does more damage to the engine than starting and stopping. Running an engine at idle causes twice the wear on internal parts com- pared to driving at highway speeds.
Can a faulty FCA cause a Cummins to stop?
A faulty FCA can cause a variety of issues, from rough idle, low power, a deviation from desired rail pressure, and even a no-start condition. It’s a pretty common failure, and luckily a new FCA is very easy to install on a Cummins, and it’s also affordable at a hundred and thirty bucks.
Where does power come from in a Cummins 5.9 CR?
The early 5.9 CR featured an 8-hole injector nozzle with a wide angle spray pattern, and there were two injection events per stroke: pilot (which injects a small amount of fuel to pre-heat the combustion chamber before ignition) and the main injection event, which is where the engine’s power comes from.
Is there a third injection event in 5.9 Cummins?
In addition, the later 5.9 Cummins also featured a third, post-injection fuel event after the main spray, and the main purpose is to reduce harmful emissions. The third injection event is said to have a slight negative impact on fuel mileage, however with aftermarket tuning, the loss in mileage can be restored.
What kind of nozzle does a Cummins 5.9 have?
The later 04.5 to 07 Cummins 5.9s featured a five-hole nozzle, a narrower spray pattern, and to match that pattern, a different shaped piston bowl needed to be used. In addition, the later 5.9 Cummins also featured a third, post-injection fuel event after the main spray, and the main purpose is to reduce harmful emissions.