OBD Guide

P1892

Throttle Position Sensor PWM Signal High

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Unstable engine idling
  • Dips during acceleration
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Reduced engine power

Causes

  • Throttle Position Sensor Malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Problems with the ECU
  • Mechanical damage to the throttle valve

How to Fix

  1. Check the continuity of the throttle position sensor circuit
  2. Inspect the sensor connectors for oxidation or damage.
  3. Check the resistance of the throttle position sensor
  4. Replace the throttle position sensor if necessary
  5. Test the operation of the ECU

Related codes

Error P1892 by Vehicle Brand