isx 871 code 2215

You also tried new filter(s) I hope? May have excessive suction side restriction. May be sucking massive amounts of air. Fuel pressure regulator may be opening too soon or broken spring.

 

Make up a test fuel line and connect it at the engine and run it into the fuel tank and retest. This will eliminate your whole fuel system before the engine.

 

A fuel line with the correct fitting to attach the the IFSM fuel inlet fitting (most commonly a #8 JIC fitting), then long enough to run into a fresh pail of fuel for a parked test, or for a road test long enough to run into the fuel cap and near the bottom of the tank. Duct tape or zip tie the hose in place for a test drive (don't fill the tank as sloshing fuel will make a mess, as well as technically illegal for "insecure load").

Fault Code 2215: Fuel Pump Delivery Pressure - Data Valid But Below Normal Operating Range - Moderately Severe Level



FAULT CODE 2215
Fuel Pump Delivery Pressure - Data Valid But Below Normal Operating Range - Moderately Severe Level


Refer to Procedure 100-002 in Section E.



Conditions for Running the Diagnostics
This diagnostic runs continuously when the engine is operating.

Conditions for Setting the Fault Codes
The ECM detects that the fuel delivery pressure is lower than the minimum pressure level.

Action Taken When the Fault Code is Active

• The ECM illuminates the amber CHECK ENGINE light immediately when the diagnostic runs and fails.

• The engine may not start, or the performance output of the engine could be limited, due to the low fuel pressure condition.

Conditions for Clearing the Fault Code
The ECM will turn off the amber CHECK ENGINE light immediately after the diagnostic runs and passes.



Shop Talk
Verify the ECM calibration is correct. Check the calibration revision history found on QuickServe™ Online for applicable fixes to the calibration stored in the ECM. If necessary, calibrate the ECM. Use the following procedure in the appropriate Troubleshooting and Repair Manual for the engine being serviced. Refer to Procedure 019-032 in Section 19.

It is possible to swap the connections between the aftertreatment fuel pressure sensor and the fuel delivery pressure sensor. If this occurs, Fault Code 2215 will intermittently go active and the engine will run rough and will surge at low idle. If these symptoms are present, make sure the fuel pressure connections are connected properly.

The fuel pressure is monitored by the ECM. If the rail fuel pressure is lower than an acceptable level for given engine operating conditions, the fault code is logged.

NOTE: One possible cause for this fault code is a damaged or sticking anti-drainback valve, located in the fuel supply circuit, in the integrated fuel system module (IFSM) which is located directly above the fuel lift pump.

NOTE: Another possible cause for this fault code is a loose or missing hot start & stall orifice, located inside the bore above the rail fuel pressure Compuchek™ fitting, in the integrated fuel system module (IFSM) which is located directly above the fuel lift pump.

Refer to Troubleshooting Fault Code t05-2215.


Last Modified: 07-Oct-2011
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