OBD Guide
ENFRDEESPT

P04E8

EGR Temperature Sensor D Circuit High

P04E8 is an OBD-II diagnostic trouble code meaning: EGR Temperature Sensor D Circuit High. Common causes: open circuit in the egr temperature sensor circuit d, short circuit to power in the sensor circuit. Estimated repair cost: $33–133.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–133 (est.)

Symptoms

  • Check Engine Light Is On
  • Deterioration of engine performance
  • Increased exhaust smoke is possible
  • Unstable operation of the EGR system
  • Related EGR error codes

Causes

  • Open circuit in the EGR temperature sensor circuit D
  • Short circuit to power in the sensor circuit
  • Faulty EGR temperature sensor D
  • Overheating in the EGR duct due to clogged cooler
  • Oxidation of the sensor connector

How to Fix

  1. Read error codes and capture freeze frame data
  2. Find the EGR temperature sensor D according to the car diagram
  3. Check the voltage at the sensor connector with the engine running and stopped.
  4. Check the sensor resistance and compare with the table of standard values
  5. Inspect wiring for damage and overheating
  6. Check the condition of the EGR cooler
  7. Replace the sensor if the parameters do not match
  8. Reset the error and check the system

Related codes

P04E7P04E9P04CEP0401P0403

Error P04E8 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P04E8 code mean?

P04E8 is an OBD-II diagnostic trouble code that indicates: EGR Temperature Sensor D Circuit High

What causes a P04E8 error code?

The most common causes of P04E8 include: Open circuit in the EGR temperature sensor circuit D; Short circuit to power in the sensor circuit; Faulty EGR temperature sensor D; Overheating in the EGR duct due to clogged cooler.

How do I fix a P04E8 diagnostic trouble code?

To fix P04E8: Read error codes and capture freeze frame data. Find the EGR temperature sensor D according to the car diagram. Check the voltage at the sensor connector with the engine running and stopped.. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P04E8?

Limited driving only, diagnose soon

How much does it cost to fix P04E8?

The estimated repair cost for P04E8 is $33–133. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat