P0121 Code: Causes, Symptoms, and Easy DIY Fixes | How to fix p0121 Code |
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- Опубліковано 24 сер 2024
- P0121 Code: Causes, Symptoms, and Easy DIY Fixes | How to fix p0121 Code.
Your car's engine control module (ECM) has detected a problem with the throttle position sensor (TPS) circuit. This is known as a P0121 code.
Symptoms of a P0121 code:
Check engine light
Rough idle
Stalling
Reduced engine power
Poor fuel economy
Causes of a P0121 code:
Faulty TPS
Dirty throttle body
Damaged TPS wiring
Corroded TPS connector pins
Easy DIY fixes for a P0121 code:
Clean the throttle body
Replace the TPS
Repair damaged TPS wiring
Clean corroded TPS connector pins
If you're not comfortable fixing a P0121 code yourself, take your car to a qualified mechanic.
Additional tips:
Be sure to disconnect the negative battery terminal before working on the TPS.
Use a torque wrench to tighten the TPS bolts to the correct specifications.
Clear the ECM codes after you've done the repair.
Watch this video to learn more about P0121 codes and how to fix them yourself.
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Causes of P0121 code
Throttle position sensor (TPS)
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Ótimo vídeo e dicas, o meu aqui e um Peugeot 206 1.0 no aparelho apresenta esse mesmo código será que o problema vai está no sensor tps que fica na tbi,ou no acelerador eletrônico me ajuda amigo?
Tienes razón, el código P0121 generalmente apunta a un problema con el sensor de posición del acelerador (TPS), pero no es la única posibilidad. Esto es lo que podría estar pasando con tu Peugeot 206 1.0:
Sensor de posición del acelerador (TPS): este es el culpable más probable. Un TPS defectuoso no enviaría la señal correcta sobre la posición del acelerador a la computadora del motor, lo que activaría el código P0121.
Problemas de cableado o conectores: el daño o la corrosión en el cableado o el conector entre el TPS y la unidad de control del motor (ECU) podrían interrumpir la señal y causar el código.
Electrónica del pedal del acelerador (menos probable): en algunos casos, los problemas con los componentes electrónicos en el pedal del acelerador podrían imitar problemas del sensor TPS. Sin embargo, esto es menos común que un sensor defectuoso.
Esto es lo que puedes hacer:
Verifique otros códigos: si bien P0121 sugiere un problema de TPS, puede haber otros códigos almacenados que podrían arrojar más luz sobre el problema. Considere la posibilidad de escanear el código de un mecánico o utilizar un escáner OBD-II, si tiene uno.
Inspeccione el cableado: busque signos visibles de daño o corrosión en el mazo de cables entre el TPS y la ECU.
Consulte un manual de reparación: un manual de reparación específico de un Peugeot 206 puede tener pasos de diagnóstico para identificar la fuente exacta del problema.
Llévelo a un mecánico: si no se siente cómodo resolviendo el problema usted mismo, el mejor curso de acción es consultar a un mecánico calificado. Ellos pueden diagnosticar el problema y recomendar la reparación adecuada.
Recuerde, el reemplazo de componentes como el sensor TPS solo debe realizarse después de un diagnóstico adecuado. ¡Buena suerte!
Obrigado amigo pela ajuda,no aparelho de vez em quando aparece o p0123 junto com o p0121,aí eu apago tudo e logo em seguida só fica o p0121 ,tirei o tps fora ele tá meio zuado ele não está dentro dos parâmetros de leitura correta o normal seria entre 2:20 fechado e 4:50 aberto,o meu aqui está dando 3:50 fechado e 6:50 aberto,esses valores de resistência ele tem que está dentro dos 5volts que a tbi recebe,fiz o pedido da pessoa tomara a Deus que resolva esse problema crônico desses tps
You are most welcome.
responde a minha teoria se está correta
@@weeklytools amigo realmente o sensor tps está fora dos parâmetros, troquei a luz apagou da injeção,porém tinha mais um erro ,escane passou a acusar sensor de temperatura do ar,porém troquei não resolveu,o problema estava no motor das engrenagens da tbi,botei uma completa aí resolveu o problema.