P2404
Sistema
Powertrain (EVAP)
Scanner richiesto
Enhanced OBD2 scanner (live data graphs, freeze frame, battery voltage test)

EVAP System Leak Detection Pump Sense Circuit Range/Performance

Understand P2404, common causes, and the right FOXWELL scanner to diagnose it.

Leak detection pump feedback signal out of range during EVAP integrity test.

Sintomi comuni

  • Check engine light
  • EVAP large leak codes may follow

Cause tipiche

  • Failed LDP
  • Restricted EVAP hose
  • FTP sensor fault

Quale scanner ti serve?

Enhanced OBD2 scanner (live data graphs, freeze frame, battery voltage test)

Usa dati live e freeze frame prima di sostituire componenti. I codici ABS, SRS e U richiedono spesso uno scanner mult sistema.

Consigli diagnostici

  • Registra il freeze frame quando il codice compare la prima volta
  • Cancella il codice solo dopo aver risolto la causa
  • Controlla i codici pending correlati
  • Verifica che la batteria sia sopra 12,4 V prima di sospettare un sensore

Scanner FOXWELL consigliati

Domande frequenti

Can I diagnose P2404 with a basic code reader?
P2404 may set in the engine module, but related diagnostics often benefit from an enhanced or full-system scanner with live data and freeze frame.
Is it safe to drive with P2404?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.