P1498 – Infiniti DTC

Infiniti DTC P1498 – EGR Valve Lift Sensor Voltage High

DTC P1498 meaning on Infiniti

DTC P1498 on an Infiniti indicates that the EGR (Exhaust Gas Recirculation) Valve Lift Sensor Voltage is reading higher than the specified range set by the vehicle’s ECM (Engine Control Module).

Infiniti DTC P1498 symptoms

  • Check Engine Light (MIL) illuminated
  • Decreased engine performance
  • Possible rough idling or stalling

Infiniti DTC P1498 causes

  • Malfunctioning EGR Valve Lift Sensor
  • Wiring or connector issues in the EGR system
  • ECM (Engine Control Module) fault

Infiniti DTC P1498 seriousness

The seriousness of DTC P1498 on an Infiniti can vary. While it may not cause immediate harm to the vehicle, it can lead to decreased fuel efficiency and increased emissions if left unresolved. It is recommended to address this issue promptly.

How to diagnose DTC P1498 on Infiniti

  1. Use an OBD-II scanner to retrieve the specific trouble code (DTC P1498).
  2. Inspect the EGR Valve Lift Sensor for any visible damage or corrosion.
  3. Check the wiring and connectors related to the EGR system for any signs of wear or disconnection.
  4. Perform a voltage test on the EGR Valve Lift Sensor to determine if it is operating within the specified range.

How to fix DTC P1498 on Infiniti

  1. Replace the EGR Valve Lift Sensor if it is found to be faulty.
  2. Repair or replace any damaged wiring or connectors in the EGR system.
  3. If the issue persists, consider checking and potentially replacing the ECM.

How to erase DTC P1498 on Infiniti

  1. After addressing the root cause of the issue, use an OBD-II scanner to clear the DTC P1498 code.
  2. Ensure that the repair has been successful by driving the vehicle and checking for any recurrence of the code.

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