Dodge Nitro. Manual — part 689

Fig. 139: Identifying Injector, Mounting Clamp, Mounting Bolt & Washer
Courtesy of CHRYSLER LLC

2. Install fuel injector retainer clamp (1), washer (3) and bolt (2). Tighten clamp bolt (2) to 33 N.m (24 ft.

lbs.) torque.

3. Connect electrical connector to fuel injector.

4. Install fuel injector high-pressure lines. Refer to Fuel Line INSTALLATION.

Fig. 140: Lifting Lock Buttons
Courtesy of CHRYSLER LLC

5. Position female fittings on fuel return line to male fittings at each fuel injector. Be sure lock buttons (1)

are in up position before positioning.

2007 Dodge Nitro R/T

2007 ENGINE Fuel System - Nitro

Fig. 141: Pushing Each Lock Button Down To Secure Fuel Return Line To Each Fuel Injector
Courtesy of CHRYSLER LLC

6. After positioning, push each lock button (1) down to secure fuel return line to each fuel injector.

7. Connect each fuel injector electrical connector.

8. Connect negative battery cable.

9. Perform the injector classification procedure with a diagnostic scan tool.

10. Start the engine and allow to warm. Turn off the ignition switch and inspect for fuel leaks.

11. Install engine dress-up cover.

SENSOR-CRANKSHAFT POSITION

REMOVAL

REMOVAL

2007 Dodge Nitro R/T

2007 ENGINE Fuel System - Nitro

Fig. 142: Identifying Crankshaft Hub, CKP Electrical Connector, CKP Mounting Bolt & CKP Sensor
Courtesy of CHRYSLER LLC

The Crankshaft Position Sensor (CKP) (4) is located between the transmission and the rear of the engine block.
It is bolted to the engine block below the crankshaft hub (1).

1. Raise and support vehicle.

2. Remove access cover.

3. Disconnect CKP electrical connector (2).

4. Remove CKP mounting bolt (3).

5. Remove CKP sensor (4).

INSTALLATION

INSTALLATION

2007 Dodge Nitro R/T

2007 ENGINE Fuel System - Nitro

Fig. 143: Identifying Crankshaft Hub, CKP Electrical Connector, CKP Mounting Bolt & CKP Sensor
Courtesy of CHRYSLER LLC

The Crankshaft Position Sensor (CKP) (4) is located between the transmission and the rear of the engine block.
It is bolted to the engine block below the crankshaft hub (1).

1. Position CKP sensor (4) into mounting hole.

2. Install CKP mounting bolt (3). Tighten bolt to 11 N.m (8 ft. lbs.) torque.

3. Connect CKP electrical connector (2).

4. Position CKP access cover. Install bolts and tighten to 15 N.m (11 ft. lbs.) torque.

5. Lower vehicle.

SENSOR-INTAKE AIR PRESSURE

REMOVAL

REMOVAL

CAUTION: Before tightening sensor mounting bolt, be sure sensor is completely

flush to cylinder block. If sensor is not flush, damage to sensor
mounting tang may result.

2007 Dodge Nitro R/T

2007 ENGINE Fuel System - Nitro