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Symptom List: P1220-FUEL QUANTITY ACTUATOR POS GOV DEVIATION COLD Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P1220-FUEL QUANTITY ACTU- When Monitored and Set Condition: P1220-FUEL QUANTITY ACTUATOR POS GOV DEVIATION COLD When Monitored: With the engine running. Set Condition: The ECM has attempted to compensate for a lean condition and the engine coolant temperature is below 60° C (140° F). P1220-FUEL QUANTITY ACTUATOR POS GOV DEVIATION WARM When Monitored: With the engine running. Set Condition: The ECM has attempted to compensate for a lean condition and the engine coolant temperature is above 60° C (140° F). POSSIBLE CAUSES INTERMITTENT CONDITION CHECK THE FUEL INJECTION PUMP TIMING CHECK FOR A FUEL RESTRICTION REPLACE THE FUEL INJECTION PUMP ENGINE CONTROL MODULE TEST ACTION APPLICABILITY 1 Turn the ignition on. All Yes → No → 2 Check the Fuel Injection Pump timing using the Service Information. All Yes → No → Set the Fuel Injection Pump timing in accordance with the 104 DRIVEABILITY - DIESEL |