Dakota Quad Cab 2WD V8-5.9L VIN Z LDC (2002)
Fig. 11 Pre-Catalyst/Post-Catalyst Oxygen Sensors - 5.9L Engine With 2WD
a. This engine/transmission is equipped with 4 oxygen sensors. Verify both pre-catalyst and post-catalyst oxygen sensor wire connectors (before
and after catalytic convertor) are firmly connected to sensors (Fig. 11). Inspect sensors and connectors for damage.
Fig. 12 Left/Right Oxygen Sensors - 5.9L Engine With 2WD
b. Verify left and right oxygen sensor wire connectors (at exhaust downpipes) are firmly connected to sensors (Fig. 12). Inspect sensors and
connectors for damage.
23. Inspect for pinched or leaking fuel tubes. Inspect for pinched, cracked or leaking fuel hoses.
24. Inspect for exhaust system restrictions such as pinched exhaust pipes, collapsed muffler or plugged catalytic convertor.
25. If equipped with automatic transmission, verify electrical harness is firmly connected to park/neutral switch. Refer to Automatic Transmission.
26. Verify electrical harness is firmly connected to rear wheel speed sensor. Verify rear wheel speed sensor is firmly attached to rear axle with proper
air gap. Refer to Brakes for information.
27. If equipped with 4-wheel antilock brake system, verify electrical harness is firmly connected to each front wheel speed sensor. Verify both front
wheel speed sensors are firmly attached. Refer to Brakes for information.
28. Verify fuel pump/gauge sender unit wire connector is firmly connected to harness connector.
