P1125 VOLKSWAGEN – Long Term Fuel Trim Adjustment System, Bank 2 Too Rich

P1125 VOLKSWAGEN Possible Causes

  • Faulty HO2S
  • Faulty mass air flow sensor
  • High fuel pressure
  • Purge canister solenoid stuck open
  • HO2S harness open or shorted
  • Poor electrical connection in HO2S circuit

How to Fix P1125 VOLKSWAGEN Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Engine light on (or service engine soon warning light)

P1125 VOLKSWAGEN Meaning

The generic code description for Volkswagen P1125 is “Bank 2 Long Term Fuel Trim System Too Rich,” but the manufacturer may have a different description for your specific vehicle model and year. Currently, we do not have additional information about the Volkswagen P1125 OBDII code.

P1126 – Open Throttle Control Motor Relay Circuit

P1126 Possible Causes

  • Throttle actuator control motor relay
  • Throttle actuator control motor relay circuit open or shorted
  • Poor electrical connection in throttle actuator control motor relay circuit

How to Fix Code P1126?

Start by checking the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

Check engine light illuminated (or service engine soon warning light)

P1126 Meaning

The throttle actuator control motor power is supplied to the engine control module (ECM) through the throttle actuator control motor relay. The throttle actuator control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends an ON signal to the throttle actuator control motor relay and battery voltage is supplied to the ECM. When the ignition switch is OFF, the ECM sends an OFF signal to the throttle actuator control motor relay and battery voltage is not supplied to the ECM.

P1126 INFINITI G20 – Thermostat Function

P1126 INFINITI G20 Possible Causes

  • Low engine coolant level
  • Faulty thermostat
  • Leak in thermostat sealing part
  • Engine coolant temperature sensor

How to Fix P1126 INFINITI G20 Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding cable harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the Code Detected?

The P1126 code is detected when the engine coolant temperature does not reach the specified temperature even though the engine has been running long enough.

Possible Symptoms

Engine light on (or engine warning light soon to come on)

P1126 INFINITI G20 Meaning

The engine coolant temperature did not rise sufficiently to open the thermostat even though the engine ran long enough. This is due to a leak in the seal or a stuck open thermostat.

P1126 2000 NISSAN ALTIMA – Thermostat Function

P1126 2000 NISSAN ALTIMA Possible Causes

  • Low engine coolant level
  • Faulty thermostat
  • Thermostat seal leakage
  • Engine coolant temperature sensor

How to Fix P1126 Code 2000 NISSAN ALTIMA?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the Code Detected?

The P1126 code is detected when the engine coolant temperature does not reach the specified temperature even though the engine has been running long enough.

Possible Symptoms

Engine light on (or engine service warning light soon)

P1126 2000 NISSAN ALTIMA Meaning

The engine coolant temperature has not risen sufficiently to open the thermostat even though the engine has been running long enough. This is due to a leak in the seal or a stuck open thermostat.

P1126 2001 NISSAN ALTIMA – Thermostat Function

P1126 2001 NISSAN ALTIMA Possible Causes

  • Low engine coolant level
  • Faulty thermostat
  • Leak in the thermostat sealing part
  • Engine coolant temperature sensor

How to Fix Code P1126 2001 NISSAN ALTIMA?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the Code Detected?

The P1126 code is detected when the engine coolant temperature does not reach the specified temperature even though the engine has been running long enough.

Possible Symptoms

Engine light on (or engine service warning light soon)

P1126 2001 NISSAN ALTIMA Meaning

The engine coolant temperature did not rise enough to open the thermostat even though the engine ran long enough. This is due to a leak in the seal or a stuck open thermostat.

P1126 2002 Infiniti G20 – Thermostat Function

P1126 2002 INFINITI G20 Possible Causes

  • Low engine coolant level
  • Faulty thermostat
  • Leaking thermostat seal
  • Engine coolant temperature sensor

How to Fix P1126 2002 INFINITI G20 Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the Code Detected?

The P1126 code is detected when the engine coolant temperature does not reach the specified temperature even though the engine has been running long enough.

Possible Symptoms

Check engine light on (or service engine soon warning light)

P1126 2002 INFINITI G20 Meaning

The engine coolant temperature has not increased enough to open the thermostat even though the engine has been running long enough. This is due to a leaking seal or stuck open thermostat.

P1126 AUDI – Long Term Fuel Trim Adjustment System, Bank 2 Too Lean

P1126 AUDI – Long Term Fuel Trim Adjustment System, Bank 2 Too Lean

P1126 AUDI Possible Causes

  • Faulty HO2S
  • Faulty Mass Air Flow Sensor
  • High Fuel Pressure
  • Purge Canister Solenoid Stuck Open
  • HO2S Harness Open or Shorted
  • Poor Electrical Connection in HO2S Circuit
How to Fix P1126 AUDI Code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

  • Check Engine Light On (or Service Engine Soon Warning Light)
P1126 AUDI Meaning
Long Term Fuel Trim Adjustment System, Bank 2 Too Lean is the generic description for Audi P1126 code, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have more information about the Audi P1126 OBDII code.

P1126 HYUNDAI – Fuel Pressure Sensor 2

P1126 HYUNDAI – Fuel Pressure Sensor 2

  • Faulty fuel pressure sensor
  • Fuel pressure sensor harness is open or shorted
  • Poor electrical connection in fuel pressure sensor circuit
How to fix P1126 HYUNDAI code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

Possible Symptoms

  • Check Engine Light On (or Service Engine Soon Warning Light)

P1126 HYUNDAI Meaning

Fuel Pressure Sensor 2 is the generic description for the P1126 Hyundai code, but the manufacturer may have a different description for your vehicle model and year. Currently, we do not have more information about the OBDII P1126 Hyundai code.

P1126 INFINITI – Open Throttle Control Motor Relay Circuit

P1126 INFINITI – Open Throttle Control Motor Relay Circuit

 

P1126 INFINITI Possible Causes

  • Faulty throttle control motor relay
  • Throttle control motor relay harness is open or shorted
  • Poor electrical connection in the throttle control motor relay circuit
 

How to Fix P1126 INFINITI Code?

Start by checking the “possible causes” listed above. Visually inspect the corresponding cable harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

 
 

When is the Code Detected?

The Engine Control Module (ECM) detects that a voltage from the power supply for the throttle control motor is excessively low.

Possible Symptoms

  • Engine light on (or engine service warning light soon)
P1126 INFINITI Meaning
 
The throttle control motor power supply is provided to the Engine Control Module (ECM) via the throttle control motor relay. The throttle control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends an ON signal to the throttle control motor relay and battery voltage is supplied to the ECM. When the ignition switch is OFF, the ECM sends an OFF signal to the throttle control motor relay and battery voltage is not supplied to the ECM.

P1126 INFINITI – Thermostat Function

P1126 INFINITI – Thermostat Function

P1126 INFINITI Possible Causes

  • Low engine coolant level
  • Faulty thermostat
  • Thermostat seal leakage
  • Engine coolant temperature sensor
How to fix P1126 INFINITI code?
Start by checking the “possible causes” listed above. Visually inspect the corresponding wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

When is the code detected?

The P1126 code is detected when the engine coolant temperature does not reach the specified temperature even though the engine has run for a sufficient amount of time.

Possible Symptoms

  • Check engine light on (or service engine soon warning light)

P1126 INFINITI Meaning

The engine coolant temperature has not increased enough to open the thermostat even though the engine has run long enough. This is due to a leak in the seal or a stuck open thermostat.