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Symptom List: P2096-DOWN STREAM FUEL SYSTEM 1/2 LEAN Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P2096-DOWN STREAM FUEL When Monitored and Set Condition: P2096-DOWN STREAM FUEL SYSTEM 1/2 LEAN When Monitored: With the engine running in closed loop mode, the ambient/battery temperature above (-7°C)20°F, altitude below 8500 ft and fuel level greater than 15%. Set Condition: If the PCM adds downstream short term compensation to long term adaptive and a certain percentage is exceeded for two trips, a freeze frame is stored, the P2097-DOWN STREAM FUEL SYSTEM 1/2 RICH When Monitored: With the engine running in closed loop mode, the ambient/battery temperature above (-7°C)20°F and altitude below 8500 ft. Set Condition: If the PCM adds downstream short term compensation to long term adaptive and a certain percentage is exceeded for two trips, a freeze frame is stored, the POSSIBLE CAUSES GOOD TRIP EQUAL TO ZERO EXHAUST LEAK ENGINE MECHANICAL PROBLEM O2 SENSOR O2 SIGNAL CIRCUIT O2 RETURN CIRCUIT FUEL CONTAMINATION 289 DRIVEABILITY - NGC |