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GDI – Troubleshooting 13A-27 Repair OK Measure at oxygen sensor (front) Disconnect the connector and Resistance between terminal 2 Ω or less NG Check the following connectors: NG OK Check the trouble symptoms. Check the following connector: NG Repair (2) NG Check the oxygen sensor (front). NG Replace OK Check the harness wire between NG Repair NG Replace the engine-ECU <M/T> or Repair OK Measure at oxygen sensor (front) Use the test harness Engine: 2,500 r/min (after (1) Voltage between terminal 2 and earth (2) Voltage between terminal 4 and earth (1) NG Check the following connectors: NG OK Check the harness wire between OK NG Repair OK Check the harness wire between OK NG Check the following connectors: NG OK Check the harness wire between OK Check the following connectors: OK Repair NG Check the trouble symptoms. OK Transient malfunction NG Replace the engine-ECU <M/T> or Repair Check the following connectors: Measure at engine-ECU connector Measure the voltage at the Engine: 2,500 r/min (after Voltage between terminal 71 and |