Fuel injectors DODGE RAM SRT-10 2006 Service Owner's Manual

8.INTERNAL DAMAGED FUEL INJECTOR
With the scan tool, erase DTCs.
Switch the misfiring injector & high pressure connector with an injector &high pressure connector from a cylinder
that is firing properly.
Operate the vehicle.
Did the misfire DTC follow the suspect injectors & high pressure connectors?
Ye s>>
Replace the internal damaged fuel injector and high pressure connector.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
No>>
Go To 9
9.INTERNAL ENGINE DAMAGE
Perform engine compression test
Did the suspect cylinders pass the compression test?
Ye s>>
Go To 10
No>>
Repair the internal damage to the engine.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
10.INTERNAL ENGINE DAMAGE
Perform engine leak down test
Did the suspect cylinders pass the leak down test?
Ye s>>
Te s t C o m p l e t e .
No>>
Repair the internal damage to the engine.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)

3.DAMAGED FUEL LINE
Visually inspect the injector supply line for damage.
Do you have any kinked or bent fuel line?
Ye s>>
Repair or replace the damaged fuel line.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
No>>
Go To 4
4.VA LV E T R A I N
Visually inspect the valve train and check the valve lash on the suspect cylinder.
Is the valve train functional and the lash within the specifications listed in the service manual?
Ye s>>
Go To 5
No>>
Adjust the lash or fix or repair any damaged component(s).
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
5.OBSTRUCTED FUEL INJECTOR SUPPLY
Remove the fuel injector supply line for the suspect cylinder.
Inspect both ends of the fuel injector supply lines for damage.
Using shop air pressure, blow out the fuel injector supply lines to verify that they are not obstructed.
Are the fuel lines free of debris or damage?
Ye s>>
Go To 6
No>>
Replace the damaged or obstructed fuel injector supply line.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
6.DAMAGED OR OBSTRUCTED HIGH PRESSURE CONNECTOR
Remove the high pressure connector for the suspect cylinder.
Inspect both ends of the high pressure connector for signs of damage.
Using shop air pressure, blow out the high pressure connector to verify that it is not obstructed.
Are the high pressure connectors free of debris or damage?
Ye s>>
Go To 7
No>>
Replace the damaged or obstructed high pressure connector.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
7.FUEL INJECTOR
Remove the suspect fuel injector.
Are the fuel injectors damaged?
Ye s>>
Replace the external damaged fuel injector & high pressure connector.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
No>>
Go To 8

8.INTERNAL DAMAGED FUEL INJECTOR
With the scan tool, erase DTCs.
Switch the misfiring injector & high pressure connector with an injector &high pressure connector from a cylinder
that are firing properly.
Operate the vehicle.
Did the misfire DTC follow the suspect injectors & high pressure connectors?
Ye s>>
Replace the internal damaged fuel injector and high pressure connector.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
No>>
Go To 9
9.INTERNAL ENGINE DAMAGE
Perform engine compression test
Did the suspect cylinders pass the compression test?
Ye s>>
Go To 10
No>>
Repair the internal damage to the engine.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
10.INTERNAL ENGINE DAMAGE
Perform engine leak down test
Did the suspect cylinders pass the leak down test?
Ye s>>
Te s t C o m p l e t e .
No>>
Repair the internal damage to the engine.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)

3.DAMAGED FUEL LINE
Visually inspect the injector supply line for damage.
Do you have any kinked or bent fuel line?
Ye s>>
Repair or replace the damaged fuel line.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
No>>
Go To 4
4.VA LV E T R A I N
Visually inspect the valve train and check the valve lash on the suspect cylinder.
Is the valve train functional and the lash within the specifications listed in the service manual?
Ye s>>
Go To 5
No>>
Adjust the lash or fix or repair any damaged component(s).
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
5.OBSTRUCTED FUEL INJECTOR SUPPLY
Remove the fuel injector supply line for the suspect cylinder.
Inspect both ends of the fuel injector supply line for damage.
Using shop air pressure, blow out the fuel injector supply lines to verify that they are not obstructed.
Are the fuel lines free of debris or damage?
Ye s>>
Go To 6
No>>
Replace the damaged or obstructed fuel injector supply line.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
6.DAMAGED OR OBSTRUCTED HIGH PRESSURE CONNECTOR
Remove the high pressure connector for the suspect cylinder.
Inspect both ends of the high pressure connector for signs of damage.
Using shop air pressure, blow out the high pressure connectors to verify that it is not obstructed.
Are the high pressure connectors free of debris or damage?
Ye s>>
Go To 7
No>>
Replace the damaged or obstructed high pressure connector.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
7.FUEL INJECTOR
Remove the suspect fuel injector.
Are the fuel injectors damaged?
Ye s>>
Replace the external damaged fuel injector & high pressure connector.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
No>>
Go To 8

8.INTERNAL DAMAGED FUEL INJECTOR
With the scan tool, erase DTCs.
Switch the misfiring injectors & high pressure connector with an injector& high pressure connector from a cylinder
that is firing properly.
Operate the vehicle.
Did the misfire DTC follow the suspect injectors & high pressure connectors?
Ye s>>
Replace the internal damaged fuel injector and high pressure connector.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
No>>
Go To 9
9.INTERNAL ENGINE DAMAGE
Perform engine compression test
Did the suspect cylinders pass the compression test?
Ye s>>
Go To 10
No>>
Repair the internal damage to the engine.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
10.INTERNAL ENGINE DAMAGE
Perform engine leak down test
Did the suspect cylinders pass the leak down test?
Ye s>>
Te s t C o m p l e t e .
No>>
Repair the internal damage to the engine.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)

3.DAMAGED FUEL LINE
Visually inspect the injector supply line for damage.
Do you have any kinked or bent fuel line?
Ye s>>
Repair or replace the damaged fuel line.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
No>>
Go To 4
4.VA LV E T R A I N
Visually inspect the valve train and check the valve lash on the suspect cylinder.
Is the valve train functional and the lash within the specifications listed in the service manual?
Ye s>>
Go To 5
No>>
Adjust the lash or fix or repair any damaged component(s).
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
5.OBSTRUCTED FUEL INJECTOR SUPPLY
Remove the fuel injector supply lines for the suspect cylinder.
Inspect both ends of the fuel injector supply lines for damage.
Using shop air pressure, blow out the fuel injector supply lines to verify that they are not obstructed.
Are the fuel lines free of debris or damage?
Ye s>>
Go To 6
No>>
Replace the damaged or obstructed fuel injector supply lines.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
6.DAMAGED OR OBSTRUCTED HIGH PRESSURE CONNECTOR
Remove the high pressure connectors for the suspect cylinder.
Inspect both ends of the high pressure connector for signs of damage.
Using shop air pressure, blow out the high pressure connector to verify that they are not obstructed.
Are the high pressure connector free of debris or damage?
Ye s>>
Go To 7
No>>
Replace the damaged or obstructed high pressure connector.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
7.FUEL INJECTOR
Remove the suspect fuel injector.
Are the fuel injectors damaged?
Ye s>>
Replace the external damaged fuel injector & high pressure connector.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
No>>
Go To 8

3.DAMAGED FUEL LINE
Visually inspect the injector supply line for damage.
Do you have any kinked or bent fuel line?
Ye s>>
Repair or replace the damaged fuel line.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
No>>
Go To 4
4.VA LV E T R A I N
Visually inspect the valve train and check the valve lash on the suspect cylinder.
Is the valve train functional and the lash within the specifications listed in the service manual?
Ye s>>
Go To 5
No>>
Adjust the lash or fix or repair any damaged component(s).
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
5.OBSTRUCTED FUEL INJECTOR SUPPLY
Remove the fuel injector supply line for the suspect cylinder.
Inspect both ends of the fuel injector supply lines for damage.
Using shop air pressure, blow out the fuel injector supply line to verify that it is not obstructed.
Are the fuel lines free of debris or damage?
Ye s>>
Go To 6
No>>
Replace the damaged or obstructed fuel injector supply line.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
6.DAMAGED OR OBSTRUCTED HIGH PRESSURE CONNECTOR
Remove the high pressure connector for the suspect cylinder.
Inspect both ends of the high pressure connectors for signs of damage.
Using shop air pressure, blow out the high pressure connector to verify that they are not obstructed.
Are the high pressure connectors free of debris or damage?
Ye s>>
Go To 7
No>>
Replace the damaged or obstructed high pressure connector.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
7.FUEL INJECTOR
Remove the suspect fuel injector.
Are the fuel injectors damaged?
Ye s>>
Replace the external damaged fuel injector & high pressure connector.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
No>>
Go To 8

8.INTERNAL DAMAGED FUEL INJECTOR
With the scan tool, erase DTCs.
Switch the misfiring injector & high pressure connector with an injector &high pressure connector from a cylinder
that is firing properly.
Operate the vehicle.
Did the misfire DTC follow the suspect injectors & high pressure connectors?
Ye s>>
Replace the internal damaged fuel injector and high pressure connector.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
No>>
Go To 9
9.INTERNAL ENGINE DAMAGE
Perform engine compression test
Did the suspect cylinders pass the compression test?
Ye s>>
Go To 10
No>>
Repair the internal damage to the engine.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
10.INTERNAL ENGINE DAMAGE
Perform engine leak down test
Did the suspect cylinders pass the leak down test?
Ye s>>
Te s t C o m p l e t e .
No>>
Repair the internal damage to the engine.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)

11 .INJECTOR CIRCUITS SHORTED INSIDE ENGINE
Disconnect the injector through head harness connector.
Measure the resistance of each injector from the through head connec-
tor.
NOTE: Be sure to zero the ohm meter prior to checking the injec-
tor circuit.
Is the resistance greater than 0 ohms and less than 1 ohm?
Ye s>>
Go To 12
No>>
Go To 14
12.INJECTOR
Disconnect the pigtail nuts from injectors 1-3.
NOTE: Check connectors - Clean/repair as neces-
sary.
Measure the resistance between the solenoid posts of
each injector.
NOTE: Be sure to zero the ohm meter prior to
checking the injector circuit.
Is the resistance less than 1 ohm and greater
than 0 ohms?
Ye s>>
Go To 13
No>>
Replace the fuel injector or injectors.
Perform POWERTRAIN VERIFICATION
TEST VER - 1 (DIESEL). (Refer to 8 -
ELECTRICAL/ELECTRONIC CONTROL
MODULES/ENGINE CONTROL MODULE -
DIAGNOSIS AND TESTING)

11 .INJECTOR CIRCUITS SHORTED INSIDE ENGINE
Measure the resistance of each injector from the through head connec-
tor.
NOTE: Be sure to zero the ohm meter prior to checking the injec-
tor circuit.
Is the resistance greater than zero and less than 1 ohm?
Ye s>>
Go To 12
No>>
Go To 14
12.INJECTOR
Disconnect the pigtail nuts from injectors 4-6.
NOTE: Check connectors - Clean/repair as neces-
sary.
Measure the resistance between the solenoid posts of
each injector.
NOTE: Be sure to zero the ohm meter prior to
checking the injector circuit.
Is the resistance less than 1 ohm and greater
than 0 ohms?
Ye s>>
Go To 13
No>>
Replace the fuel injector or injectors.
Perform POWERTRAIN VERIFICATION
TEST VER - 1 (DIESEL). (Refer to 8 -
ELECTRICAL/ELECTRONIC CONTROL
MODULES/ENGINE CONTROL MODULE -
DIAGNOSIS AND TESTING)