Diag-Cue: Troubleshooting Nissan Almera Classic B10s Throttle Body and Engine Check Light Issue

This page provides a detailed walkthrough on how to diagnose and resolve the throttle body and engine check light issues affecting a Nissan Almera Classic B10 from 2008. The content covers the step-by-step process of identifying the root cause, replacing the faulty wiring, and resetting the check engine light using an OBD2 scanner. Comprehensive FAQ section addresses common technical questions and offers valuable insights for DIY enthusiasts.



Unlocking the Secrets: Fixing Nissan Almera Classic B10s Throttle Body and Engine Check Light Woes

Ключевые аспекты:

1. What was the main problem with the Nissan Almera Classic B10?

The main problem was that the car was not accelerating properly. The engine check light was on, and the engine revs were not going above 1800-2000 RPM when pressing the throttle.

2. What was the cause of the issue?

The issue was caused by a faulty wiring connection to the throttle body. The white wire with a green stripe had become worn and exposed, causing a lack of power supply to the throttle body.

3. How did the owner diagnose the problem?

The owner first tried searching online forums and YouTube videos for similar issues. He found a video that suggested the problem was likely due to a wiring issue, specifically the white wire with the green stripe. After disassembling the air filter housing, he was able to locate the damaged wire and confirm that it was the root cause of the problem.

4. What steps did the owner take to fix the issue?

  1. Removed the damaged section of the wire and spliced in a new piece, reconnecting the wiring.
  2. Replaced the air filter as it was due for a change.
  3. Did not clean the throttle body, as he did not have the right tools and wanted to avoid any potential damage.
  4. Reconnected the battery and attempted to start the car, but the check engine light remained on.

5. How did the owner resolve the check engine light issue?

  1. The owner discovered that the car had stored two error codes: P1122 and P1126.
  2. He used an OBD2 scanner app on his phone, connected to the car via Bluetooth, to read and clear the error codes.
  3. After clearing the codes, the check engine light went off, and the car was able to run normally.

6. What are the key takeaways from this video?

  • Diagnosing and fixing issues with the throttle body and engine control system can be complex, but following a methodical approach can lead to a successful resolution.
  • Using an OBD2 scanner to read and clear error codes is crucial for troubleshooting modern vehicles.
  • Having the right tools and resources, such as online forums and YouTube videos, can be invaluable for DIY car repairs.
  • Regular maintenance, like replacing the air filter, is important for keeping a vehicle running smoothly.

Раздел: Автотека