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1. Turn the ignition switch ON (II). neutral) until the radiator fan comes on, then let it idle. 4. Test-drive under these conditions: Engine coolant temperature (ECT SENSOR 1) above 158 °F (70 °C) A/T in D position (M/T in 5th gear) Vehicle speed between 45-75 mph (72-120 km/h) for 5 minutes or more Maintain the vehicle speed at 55 mph (88 km/h) for 5 minutes or more 5. Monitor the OBD STATUS for DTC P0420 in the DTCs MENU with the HDS. Does the screen indicate EXECUTING? YES -Go to step 6. NO -If the screen indicates OUT OF CONDITION, go to step 4 and recheck. If 6. Continue the test-drive until a result comes on. troubleshooting information (see GENERAL If some of the DTCs listed below are stored at the same P0137, P0138: Secondary H02S (Sensor 2) P0141: Poor quality fuel may cause this DTC.
2008 Honda Civic GX 2006-08 ENGINE PERFORMANCE Catalytic Converter System (R18A1) - Civic (Except Hybrid)
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