Jeep Cherokee 2000 Service Manual - page 1234
(14) Verify
turbocharger
wastegate
operation.
Refer to Group 11, Exhaust System and Intake Man-
ifold Group for information.
(15) Verify that the harness connector is firmly
connected to the engine coolant temperature sensor.
The sensor is located on the side of cylinder head
near the rear of fuel injection pump (Fig. 16).
(16) Check for air in the fuel system. Refer to the
Air Bleed Procedure.
(17) Inspect all fuel supply and return lines for
signs of leakage.
Fig. 12 Glow Plug Relay Location
1 – MOUNTING BOLT
2 – GLOW PLUG RELAY
3 – ELECTRICAL CONNECTOR
Fig. 13 Fuel Shutdown Solenoid Location
1 – FUEL INJECTION PUMP ASSEMBLY
2 – FUEL RETURN LINE
3 – FUEL SUPPLY LINE
4 – FUEL INJECTION PUMP 10–WAY CONNECTOR
5 – TIMING SOLENOID
6 – OVERFLOW VALVE
Fig. 14 Fuel Injector Sensor
1 – NEEDLE MOVEMENT SENSOR
2 – FUEL INJECTOR (NUMBER 1 CYLINDER ONLY)
3 – COPPER WASHER
4 – SENSOR CONNECTOR
Fig. 15 Vehicle Speed Sensor—4 Wheel Drive
1 – 4WD TRANSFER CASE EXTENSION
2 – VEHICLE SPEED SENSOR
3 – SENSOR ELECTRICAL CONNECTOR
14 - 8
FUEL SYSTEM—2.5L DIESEL ENGINE
XJ
DIAGNOSIS AND TESTING (Continued)