P1130
Sistema
Powertrain (Emissions)
Escáner necesario
Enhanced OBD2 scanner (live data graphs, freeze frame, battery voltage test)

Air/Fuel Sensor Circuit Range/Performance (Bank 1 Sensor 1)

Understand P1130, common causes, and the right FOXWELL scanner to diagnose it.

Wide-range air/fuel ratio sensor out of range on bank 1 — common on Toyota/Lexus and some GM platforms.

Síntomas habituales

  • Rough idle
  • Poor fuel economy
  • Check engine light
  • Failed smog

Causas típicas

  • Failed A/F sensor
  • Exhaust leak before sensor
  • Fuel control issue
  • Sensor heater not reaching temp

¿Qué escáner necesita?

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

Use datos en vivo y freeze frame antes de cambiar piezas. Códigos ABS, SRS y U suelen requerir un escáner de todos los sistemas.

Consejos de diagnóstico

  • Registre el freeze frame cuando se active el código
  • Borre el código solo tras corregir la causa
  • Revise códigos pendientes relacionados
  • Verifique que la batería esté por encima de 12,4 V antes de sospechar sensores

Escáneres FOXWELL recomendados

Preguntas frecuentes

Can I diagnose P1130 with a basic code reader?
P1130 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 P1130?
It depends on the code and symptoms. Flashing check engine lights and misfire codes should be addressed immediately. Consult a professional if unsure.