Failure to remove the block off plates from the intake manifold gaskets for a light duty engine can cause EGR codes because there will be no exhaust gases getting to the EGR valve. Take a few minutes to see if this information helps you solve your starting issues. Check the injector return and the pressure control valve in the fuel rail. This code may set if the DEF is frozen. If the restriction is only a couple of inches vacuum, that could indicate that the fuel supply system is sucking air, use clear fuel lines at the filter head to check for air. A plugged air filter or bad CDR valve can cause excessive oil to be pulled out of the engine and discharged from the turbo back into the intake. Open or high resistance can cause short cycle times with the later Ford solid state controllers. When everything shuts down at the same time, then it should be a loose connection only. How to Replace & Prime a Duramax Fuel Filterby Grace Mclain. Injector Harness Chafing. The injectors are cooled by a calibrated amount of fuel flow through the injector body to the injector return lines. If any of these solenoids have an intermittent short, the thermal protected quad driver circuit will trip and shut down all 4 circuits, which can cause intermittent stalling, then reset and run again. 5 Fuel Supply Pumps and Oil Pressure Switch. Chevrolet-GMC Diesel Diagnostics. But stalls again, turn the.
Although the job is somewhat akin to bleeding a brake system and can be messy depending on where in the engine bay the fuel-bleed bolt is positioned, it's typically accomplished with a wrench (sizes vary), a bottle or other receptacle to collect the primed-diesel "blood, " and a few rags to clean up the mess with. If the complaint is a hard start after a hot soak, not a stalling condition then hard start, check for a minimum cranking speed hot of 200 rpm. See Wire Harness Testing for other possible problems. High pressure injection pump – CP3 pump. GM/Ford IDI Diagnostics Stanadyne DB2 Mechanical Pump. Ran duramax out of fuel. Of course, your machine will shut down because it needs fuel in order to operate. 0 Powerstroke turbos, which are known for this type of failure. One source for this problem could be a loss of prime. Similar Diagnostics to P0087. Also, aftermarket modifications can contribute to this common problem.
Bad connections in the harness connectors and/or a bad noise suppression harness are common causes for this code. The ECM energizes each fuel injector by grounding the control circuit and supplying each fuel injector with up to 250 V and 20 amps on the voltage supply circuit to activate the piezo type fuel injectors. If air comes out when the bleeder is opened, there is air in the system. The pliers can puncture the fuel filter. Some misfire codes go by firing number order, in other words a misfire code for #2 would be #8 cylinder because it is the #2 cylinder in firing order. P20EE Nox Catalyst Efficiency Below Threshold. How to Start a Diesel When It’s Out of Fuel. See the WIRE HARNESS CONNECTIONS section for more information. A miss that can not be isolated to one cylinder is most likely an injection pump related problem or engine balance issue (dual mass flywheel, balancer, ETC. Any injectors that are more than +/- 6 are a possible cause for rough run. Verify the fuel injector return line pressure is greater than 3 BAR (see "Fuel Injectors" for more information). Excessive leakage from the injectors usually results in a starting issue, which could occur hot or cold, but usually occurs hot because the fuel is thinner when hot.
We have also seen EGR related issues that do not set codes with delete software installed. This blockage will cut the fuel supply and stop the motor from running.