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the ignition switch again to re-operate the No Proceed to Step 16. Yes Replace the fuel pressure regulator 15 Open the fuel manometer valve and No Repair or replace the fuel injector or fuel pipe Yes Repair or replace the fuel air inlet pipe 16 Verify that the fuel inlet pipe has any No Replace the fuel pump Yes Repair or replace the fuel return pipe 17 Verify that the fuel return pipe has any No Replace the fuel pressure regulator Yes Clean 18 Verify that the sensing holes of the No Proceed to next step. Yes Proceed to next step. 19 Run the engine at idle speed. When the temperature reaches the temperature of activating the close- loop No Inspect the oxygen sensor and the wiring harness Yes Fix the leakage
20 Verify that the engine air intake system No Proceed to next step. Yes Proceed to next step. 21 Verify that the pressure of engine No Fix the malfunction Yes Replace the ECU. 22 Run the engine at idle speed until the No Inspect other items
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