OBD Guide

P04E7

EGR Temperature Sensor D Circuit Low

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Check Engine Light Illuminates
  • Reduced engine power

Causes

  • EGR temperature sensor malfunction
  • Open or short circuit in wiring harness
  • Poor contact in the sensor connector
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the integrity of the wiring harness and contacts in the sensor connector
  2. Check the resistance of the EGR temperature sensor
  3. Replace EGR temperature sensor if necessary
  4. Check and clean the EGR system
  5. Reset the error and check the system operation

Related codes

Error P04E7 by Vehicle Brand