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Throttle, idle stepper motor (intake)
3. Electronic control unit:
ECU
Maintenance Precautions
1. The fault diagnosis of EFI system can be carried out through the malfunction indicator
lamp of the vehicle instrument, and a special diagnostic instrument can also be used to
communicate with the ECU of the whole vehicle to carry out EFI system fault diagnosis
and read fault codes.
2. Turn on the key switch for fault diagnosis.
3. If the throttle position is adjusted, it is necessary to turn off the key switch and restart
the engine for idle position self-learning.
4. In case of sensor failure, ECU will limp and continue to drive by default, and the user is
requested to drive the vehicle to the special repair shop in time for maintenance; If the
actuator fails, the ECU will not be able to control the vehicle normally. Please contact the
special repair shop immediately for maintenance.
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