OBD Guide

P041E

EGR Temperature Sensor B Circuit Intermittent/Erratic

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Check Engine light comes on
  • Reduced engine power

Causes

  • Broken or damaged sensor wiring harness
  • Poor contact in the sensor connector
  • EGR temperature sensor malfunction
  • Problems with the engine control module (ECU)

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Clean the contacts of the sensor connector and check their condition
  3. Check the resistance of the EGR temperature sensor
  4. Replace sensor if necessary
  5. Check the operation of the EGR system after repair

Related codes

Error P041E by Vehicle Brand