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FUEL INJECTION SYSTEM. Engine starting problems, engine idling speed problems, and medium and high-speed performance problems. 1. Check refer to "TROUBLESHOOTING" section in the chapter 3. 2. Connect the FI diagnostic tool. (Refer to "CONNECTING THE FI DIAGNOSTIC TOOL".)
3. Check the fault code number. (Refer to "TROUBLESHOOTING DETAILS".) 4. Checking and repair the probable case of malfunction. (Fault code: YES - Check and repair. Refer to "SENSOR OPERATION TABLE".) (Fault code: NO - Check each sensor and actuator in the diagnostic mode. Refer to "SETTING THE DIAGNOSTIC MODE) If the sensors or actuators are damaged, check and, if necessary, repair or replace all faulty parts. If the sensors or actuators are not damaged, check and, if necessary, repair or replace the engine inner parts.
5. Perform ECU reinstatement action. Refer to "Reinstatement method" of table in "TROUBLESHOOTING DETAILS". 6. Set the switch on the FI diagnostic tool sub-wire harness from "OFF" to "ON", and then check whether a fault code number is displayed again.
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