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Searched for Code 21 Vauxhall Astra 2009 - The Code 21 on a Vauxhall Astra 2009 refers to a fault with the throttle position sensor (TPS). The TPS is responsible for monitoring the position of the throttle pedal and sending this information to the engine control unit (ECU).
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What does code 35 on the Opel Vauxhall Astra correspond to?
Answer: The fault code "code 35" that appears on the Opel Vauxhall Astra corresponds to the seat belt pretensioners. Generally this error signals an anomaly i... read all

Posted on 25-02-2023

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What does code 55 mean on a Vauxhall Astra?
Answer: Error code 55 on Vauxhall Astra and similar cars refers to the particulate filter. Specifically, it indicates that the filter requires forced regenera... read all

Posted on 3-06-2023

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What does code 82 mean on a Vauxhall Astra?
Answer: Code 82 on the Vauxhall Astra has the same meaning as the service light. The appearance of the error message is always accompanied by the illumination... read all

Posted on 30-04-2023

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What does the error code 59 mean on my Vauxhall Astra?
Answer: The error code "code 59" that appears in the onboard computer of your Vausxhall Astra refers to a problem with the driver's front window. Try to open ... read all

Posted on 18-11-2021

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What does code 84 mean in the Vauxhall Astra?
Answer: Code 84 indicates a generic engine failure. This will tend to lead to a reduction in performance which is often caused by a clogged particulate filter... read all

Posted on 21-06-2022

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What does the error code "Code 35" mean in the instrument cluster of an Opel Astra?
Vauxhall Astra (2009-2016 / Astra J) .. When the "Code 35" error code is activated in the instrument panel of our Opel Astra, the car wants to inform us..
What does error code 35 indicate on the Opel Astra?
Vauxhall Astra (2015-2022 / Astra K) .. The "error code 35" on Opel vehicles, especially on the Opel Astra, Meriva, and Insignia models, corresponds to..
The reason for code 4 on the Opel Astra J
Vauxhall Astra (2009-2016 / Astra J) .. In this video we see what the meaning of code 4 on the instrument panel of the Opel Astra J is: the coolant level is low, so we should add more...
What does the error code 18 that appears on the Opel Astra J correspond to?
Vauxhall Astra (2009-2016 / Astra J) .. in English, the meanings of all possible error codes that may appear on your Opel Astra J. Opel adopts a code system instead of signaling with warning..
What does error code 20 indicate on the Opel Astra?
Vauxhall Astra (2009-2016 / Astra J) .. When the error code "20" appears on a 2013 Opel Astra J model vehicle, it means that the right low beam headlight bulb..
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Video tutorial > Opel > Astra
Code 21 on a Vauxhall Astra 2009: Throttle Position Sensor (TPS) Fault: The Code 21 on a Vauxhall Astra 2009 refers to a fault with the throttle position sensor (TPS). The TPS is responsible for monitoring the position of the throttle pedal and sending this information to the engine control unit (ECU). When the TPS malfunctions or fails, it can cause issues with the engine's performance, such as rough idling, poor acceleration, or stalling. To resolve this issue, the TPS may need to be replaced. It is recommended to take the vehicle to a qualified mechanic or Vauxhall dealership to diagnose and fix the problem.

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