P0123 | p0123 throttle position sensor circuit high input | code p0123 | dtc p0123

Hello friends welcome to the ig garage channel today I am telling you how to fix p0123 throttle position sensor circuit high input so watch this video and learn how to fix it friends if you like this video then subscribe to the ig garage channel for more videos.

In this video, we’ll break down the P0123 OBD-II trouble code, explaining its meaning, common symptoms, potential causes, and how to fix it.

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What Does P0123 Mean?
The P0123 code indicates that the throttle position sensor (TPS) has detected a voltage input that is higher than the acceptable range. This could disrupt the engine's air-fuel mixture and performance.

Symptoms of P0123:
Check Engine Light illuminated.
Erratic or high idle speed.
Engine hesitation or stalling.
Reduced acceleration or poor throttle response.
Decreased fuel efficiency.

Common Causes of P0123:
Faulty throttle position sensor (TPS).
Damaged or corroded wiring and connectors in the TPS circuit.
Malfunctioning Engine Control Module (ECM) (rare).
Incorrect sensor installation or adjustment.

Risks of Ignoring P0123:
Poor engine performance and driveability.
Potential long-term damage to the engine or catalytic converter.

How to Diagnose and Fix P0123:
Scan and Confirm the Code
Use an OBD-II scanner to verify the P0123 code and check for related codes.

Inspect the Throttle Position Sensor
Test the TPS using a multimeter to measure the voltage output. Replace the sensor if it’s faulty.

Examine Wiring and Connectors
Check for loose, corroded, or damaged wiring and connectors in the TPS circuit. Repair as needed.

Reinstall or Adjust the Sensor
Ensure the TPS is correctly installed and calibrated according to manufacturer specifications.

Test the ECM
If other components are in good condition, test the ECM to ensure it’s functioning properly.

Clear the Code
After making repairs, clear the code using an OBD-II scanner and perform a test drive to confirm the issue is resolved.

Pro Tips for Preventing P0123:
Regularly inspect and clean the throttle body and sensors.
Address wiring issues promptly to avoid circuit-related errors.
Perform routine maintenance checks on engine components.

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#P0123 #ThrottlePositionSensor #CarRepairs #OBD2Code #CheckEngine

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