OBD Guide

P2388

EGR Sensor E Circuit Range/Performance

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Dips during acceleration

Causes

  • EGR E sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Dirty or stuck EGR valve
  • Problems with the engine control unit

How to Fix

  1. Check the continuity of the EGR E sensor circuit
  2. Inspect the connectors and contacts of the sensor
  3. Check the resistance of the EGR sensor E
  4. Clean or replace EGR valve if necessary
  5. Replace the EGR E sensor if the fault is confirmed

Related codes

Error P2388 by Vehicle Brand