P1498moderate severityPowertrain

EGR Valve Lift Sensor High Voltage

on 2012 Honda Accord 2.4L I4 · FWD

What this code means

The EGR valve lift sensor output is above maximum threshold.

Symptoms

  • CEL
  • Rough idle
  • EGR malfunction
  • Increased emissions

Common causes

  • Faulty EGR lift sensor
  • Short to voltage
  • EGR stuck open
  • Corroded connector

Diagnostic steps

  1. Test sensor voltage
  2. Inspect wiring
  3. Check EGR valve position
  4. Test with scan tool

Repair notes

Replace EGR valve or sensor.

Other Powertrain codes on this vehicle

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