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Database DTC TuningBot · v4.37.15

P1128 Codice di errore diagnostico (12 interpretazioni)

12 interpretazioni specifiche del costruttore su 11 costruttori nel database DTC TuningBot.

Chrysler

1 interpretazione
P1128
Closed loop fuel control not achieved - bank 1 Chrysler · engine Affidabilità del dato 62%

The control module detected a fault associated with the Closed loop fuel control not achieved - bank 1 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.

Possibili cause

  • Wiring
  • HO2S
  • fuel system
  • MAP sensor
  • ECM

Dodge

1 interpretazione
P1128
Heated oxygen sensor (HO2S) 1, bank 1 signal error Dodge · emissions Affidabilità del dato 62%

The control module registered the fault condition described as "Heated oxygen sensor (HO2S) 1, bank 1 signal error". This is the manufacturer-specific definition used by Dodge.

Possibili cause

  • Mechanical fault
  • wiring
  • fuel pressure
  • injector(s)
  • intake leak
  • HO2S

Honda

1 interpretazione
P1128
MAP sensor - signal lower than expected Honda · engine Affidabilità del dato 80%

The control module detected that the MAP sensor value was lower than expected for the current conditions. This is the manufacturer-specific definition used by Honda.

Possibili cause

  • Wiring
  • MAP sensor

Jeep

1 interpretazione
P1128
Closed loop fuel control not achieved - bank 1 Jeep · engine Affidabilità del dato 62%

The control module detected a fault associated with the Closed loop fuel control not achieved - bank 1 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Jeep.

Possibili cause

  • Wiring
  • HO2S
  • fuel system
  • MAP sensor
  • ECM

Kia

1 interpretazione
P1128
Long Term Fuel Trim Multiplicative Air System High Kia · fuel Affidabilità del dato 62%

The control module detected a fault associated with the Long Term Fuel Trim Multiplicative Air System High circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Kia.

Land Rover

1 interpretazione
P1128
Heated oxygen sensor (HO2S), upstream - transposed Land Rover · emissions Affidabilità del dato 62%

The control module detected a fault associated with the Heated oxygen sensor (HO2S), upstream - transposed circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Land Rover.

Possibili cause

Wiring transposed

Lexus

1 interpretazione
P1128
Throttle actuator control (TAC) lock - malfunction Lexus · engine Affidabilità del dato 80%

The control module detected improper operation of the Throttle actuator control (TAC) lock. This is the manufacturer-specific definition used by Lexus.

Possibili cause

  • TAC motor
  • throttle body
  • ECM

Mitsubishi

1 interpretazione
P1128
Closed Loop Fueling Not Achieved Bank 1 Mitsubishi · engine Affidabilità del dato 62%

The control module detected a fault associated with the Closed Loop Fueling Not Achieved Bank 1 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Mitsubishi.

Nissan

1 interpretazione
P1128
Throttle valve position motor - short circuit Nissan · engine Affidabilità del dato 62%

The control module detected improper operation of the Throttle valve position motor - short circuit. This is the manufacturer-specific definition used by Nissan.

Possibili cause

  • Wiring
  • throttle valve position motor

Porsche

1 interpretazione
P1128
Oxygen Sensing Porsche · engine Affidabilità del dato 62%

The control module detected a fault associated with the Oxygen Sensing circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Porsche.

VAG

2 interpretazioni
P1128
Long term fuel trim, entire speed/load range, Bank 1 - system too lean VAG · fuel Affidabilità del dato 62%

The control module detected that the air-fuel mixture stayed leaner than the target despite full corrective control (Long term fuel trim, entire speed/load range, Bank 1 - system). This is the manufacturer-specific definition used by Audi.

Possibili cause

  • Fuel pressure/pump
  • injector(s)
  • intake/ exhaust leak
  • AIR system
  • hose leak
Si applica a Audi
P1128
Fuel Trim; Bank 1 (Mult): System too Lean VAG · fuel Affidabilità del dato 88%

The control module detected that the air-fuel mixture stayed leaner than the target despite full corrective control (Fuel Trim; Bank 1 (Mult): System). This is the manufacturer-specific definition used by Volkswagen. Volkswagen Group tools also report it as fault code 17536. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Sintomi

Malfunction Indicator Light (MIL) active

Possibili cause

  • Mass Air Flow (MAF) Sensor faulty
  • Oxygen Sensor Control faulty
  • Fuel Injector(s) faulty

Controlli consigliati

  • Check Mass Air Flow (MAF) Sensor
  • Check Oxygen Sensor Control
  • Check Fuel Injector(s)
Si applica a Volkswagen

Codici correlati e vicini

Come si legge P1128

P

Powertrain: motore, cambio e trasmissione.

1

Gamma definita dal costruttore: il significato può cambiare tra marche.

128

Indice specifico del guasto dentro il sottosistema.

Domande frequenti su P1128

Cosa significa P1128?

Codice di errore diagnostico (12 interpretazioni). The control module detected a fault associated with the Closed loop fuel control not achieved - bank 1 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Chrysler.

P1128 è generico o specifico del costruttore?

P1128 è un codice specifico del costruttore. In questo database è documentato per: Chrysler, Dodge, Honda, Jeep, Kia, Land Rover, Lexus, Mitsubishi, Nissan, Porsche, VAG. Lo stesso numero può significare altro su altre marche.

TuningBot può rimuovere P1128 a livello di file?

Se la logica del guasto vive nella calibrazione della ECU, sì: il nostro servizio DTC Removal disattiva la specifica voce di errore. La correzione del checksum non è inclusa: è un servizio a parte, opzionale. Non sei sicuro che il tuo caso rientri? Richiedi una valutazione gratuita e i nostri ingegneri controllano il tuo file.

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