P1136 – Volkswagen DTC

Volkswagen DTC P1136 – Long Term Fuel Trim Additional Fuel B1 System Too Lean

DTC P1136 meaning on Volkswagen

DTC P1136 on a Volkswagen indicates that the Long Term Fuel Trim Additional Fuel Bank 1 system is detecting a lean condition. This means that the engine is receiving too little fuel compared to the amount of air entering the combustion chambers.

Volkswagen DTC P1136 symptoms

Symptoms of DTC P1136 on a Volkswagen may include:

  • Check Engine Light illuminated
  • Decreased fuel efficiency
  • Engine hesitation or misfires
  • Rough idling
  • Difficulty starting the engine

Volkswagen DTC P1136 causes

The possible causes of DTC P1136 on a Volkswagen include:

  • Vacuum leaks
  • Faulty oxygen sensor
  • Clogged fuel injectors
  • Fuel pump issues
  • Intake air leaks

Volkswagen DTC P1136 seriousness

While DTC P1136 may not cause immediate harm to the engine, it can lead to decreased fuel efficiency and performance issues if left unresolved. It is recommended to address this issue promptly to prevent further damage to the vehicle.

How to diagnose DTC P1136 on Volkswagen

To diagnose DTC P1136 on a Volkswagen, you can perform the following steps:

  1. Use an OBD-II scanner to retrieve the fault code and freeze frame data
  2. Inspect for any visible signs of vacuum leaks
  3. Check the oxygen sensor for proper operation
  4. Clean or replace clogged fuel injectors
  5. Test the fuel pump for proper pressure
  6. Inspect the intake system for leaks

How to fix DTC P1136 on Volkswagen

To fix DTC P1136 on a Volkswagen, you can try the following solutions:

  1. Repair any vacuum leaks
  2. Replace the faulty oxygen sensor
  3. Clean or replace clogged fuel injectors
  4. Address any fuel pump issues
  5. Fix any intake air leaks

How to erase DTC P1136 on Volkswagen

To erase DTC P1136 on a Volkswagen, you can clear the fault code using an OBD-II scanner. After addressing the underlying issue causing the fault code, you can reset the Check Engine Light and the DTC P1136 code by clearing the codes with the scanner.

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