TC-118B Fuel System Rich

Diagnostic Chart:

Related Image:

REPAIRING - FUEL SYSTEM RICH

Perform TEST TC-118A Before Proceeding

Using the test schematic as a guide, make sure all the wiring and connectors are okay. Perform each of the following tests in the order listed below. If a test passes, continue to the next until the problem is found.

Fuel Pressure TEST NTC-5A

Coolant Temperature Sensor TEST NTC-6A

MAP Sensor TEST NTC-8A

Oxygen Sensor Switching TEST NTC-10A

Engine Mechanical Systems TEST NTC-13A

Evaporative Emission Sensor TEST NTC-17A

EGR System TEST NTC-18A

Intake Air Temperature Sensor (2.4L only) TEST NTC-19A