Scania EMS DTC 9 Cold start intake cam phaser target error

EMS Sistema de gestão do motor · Scania

Código 9 (decimal). Alguns equipamentos de diagnóstico mostram-no em hexadecimal como 000009.

Resumo

Intake phaser not able to hold reference position

Aplica-se a: EMS10

O que significa o código de avaria Scania EMS 9?

Intake phaser not able to hold reference position

O que causa o DTC 9 da Scania?

Wrong viscosity oil used. Oil pressure/supply to cam phaser is too low. Bias spring loose from mounting point. Debris in the cam phaser or control valve. Actuator malfunction. Cam torque to high. Cam phaser malfunction. Control valve malfunction. Sump oil temperature sensor malfunction.

Quais são os sintomas?

Engine performance will be impacted. Can cause engine noise.

Como resolver o código de avaria Scania EMS 9?

  1. Visually check that the cam phaser bias spring is mounted correctly.
  2. Check that cam phaser system has sufficient oil pressure and flow.
  3. Rotate the engine, check that the resistance isn’t abnormally high.
  4. Check that the sump oil temperature sensor is working as intended.
  5. Check actuator fault codes, check that the actuator moves without problem.
  6. If there is any fault with the actuator replace it.
  7. Check that the control valve spool moves smoothly and don’t stick in any position.
  8. Change oil, remove fault codes, test drive.
  9. If problem persists change cam phaser and control valve.

Esta informação é apenas orientativa. Siga sempre o manual de oficina do fabricante e as regras de segurança; em caso de dúvida, contacte uma oficina autorizada.

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