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If errors occur in the throttle position sensor or the accelerator pedal position sensor in electronically controlled vehicles, the engine goes into emergency mode. The throttle valve is located at the intake and regulates the amount of air entering the motor. When the throttle cannot work properly, the engine keeps some speed so that the car can reach the service.
Since replacement units are supplied pre-assembled and are expensive, it is necessary to carry out accurate electronic diagnostics and later check that the problem is not in the wiring.
Using the MotorData OBD App Diagnostics | ELM OBD2 scanner and ELM 327 adapter, we connect and carry out diagnostics. We connect to the engine control unit. We select the parameters for scanning: throttle position (main, additional, set value) and accelerator pedal position (main and additional). We build graphs on them and compare what we have with how everything should work.
The most popular error codes on Nissan are related to the throttle valve.
When you find and fix the problem, remove the errors. If the problem persists, the error will reappear.
Find faults yourself! Eliminate minor malfunctions, choose proven masters for quality repairs (in the MOTORDATA OBD application, in the Driver's Handbook block, there is a section called “Diagnosticians”. Within the framework of the “Diagnosticians Olympiads”, both theoretical and practical knowledge of these masters was tested).
Save money. With Motordata OBD - it's not that difficult!
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27 янв 2020