OBD Guide

P1498

Exhaust Gas Recirculation Valve Position Sensor Circuit High Voltage

P1498 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Recirculation Valve Position Sensor Circuit High Voltage. Common causes: egr valve position sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–67.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–67 (est.)

Symptoms

  • Check Engine light comes on
  • Unstable engine idling
  • Reduced engine power
  • Increased fuel consumption
  • Detonation (knocking) in the engine

Causes

  • EGR valve position sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Mechanical failure of the EGR valve
  • Problems with the engine control unit (ECU)

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Measure the resistance and voltage of the EGR position sensor
  3. Check the mechanical operation of the EGR valve
  4. Clean or replace EGR valve if necessary
  5. Replace the EGR position sensor if a fault is detected

Related codes

Error P1498 by Vehicle Brand

FAQ

What does the P1498 code mean?

P1498 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Recirculation Valve Position Sensor Circuit High Voltage

What causes a P1498 error code?

The most common causes of P1498 include: EGR valve position sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Mechanical failure of the EGR valve.

How do I fix a P1498 diagnostic trouble code?

To fix P1498: Check the integrity of the sensor wiring and connectors. Measure the resistance and voltage of the EGR position sensor. Check the mechanical operation of the EGR valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1498?

Yes, but get it checked soon

How much does it cost to fix P1498?

The estimated repair cost for P1498 is $17–67. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat