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All pictures and texts in this web page are the property of nomaallim.com. Any use of any part of those contents without the written consent of nomaallim.com shall be subject to legal procedures as per international and local laws in the concerned country. Using the name "nomaallim" or "nomaallim com" or "nomaallim.com" in the text describing the unauthorized copied content shall not constitute an exception and shall be sanctioned in accordance to the effective laws and proceedings.
BEFORE YOU START
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DISCLAIMER:
Our pictorials are of informative nature and do illustrate works carried out by ourselves at our own premises for our own use and satisfaction.
Readers who envisage to carry out similar works inspired by the below method shall do this at their own risks and liability.
Our pictorials are of informative nature and do illustrate works carried out by ourselves at our own premises for our own use and satisfaction.
Readers who envisage to carry out similar works inspired by the below method shall do this at their own risks and liability.
NOTE: The below pictures show the throttle body of an 1.2L VTi EB2 PSA Engine but other engine mounts are so similar.
Easiness of access to the throttle body is somehow different between engines and vehicles.
Easiness of access to the throttle body is somehow different between engines and vehicles.
Dirty or unmaintained throttle body symptoms
Dirty throttle body symptoms are usually limited to a rough idle especially when engine is cold.
It could persist when engine gets warm in case of thick gum formation, in extreme cases.
Also, the throttle body may contain an air flow sensor that becomes clogged, especially if the engine consumes oil.
The purpose of cleaning the throttle body is finally to re-lubricate its shaft, which is more important than the cleaning itself.
To be done every 20,000 km on engines that consume oil, otherwise every 60,000 km.
It could persist when engine gets warm in case of thick gum formation, in extreme cases.
Also, the throttle body may contain an air flow sensor that becomes clogged, especially if the engine consumes oil.
The purpose of cleaning the throttle body is finally to re-lubricate its shaft, which is more important than the cleaning itself.
To be done every 20,000 km on engines that consume oil, otherwise every 60,000 km.
Removing and cleaning the throttle body
You can dismantle the throttle body from the air collector while the latter is still on the vehicle of course.
In this particular case, it happened that the air collector was removed for another intervention.
To separate the throttle body from the air collector:
Do not spray the motor, only the metal body of the throttle.
In this particular case, it happened that the air collector was removed for another intervention.
To separate the throttle body from the air collector:
- Disconnect the electrical connector of the throttle.
- Unscrew the 3 or 4 bolts that hold the air throttle body to the air collector. These usually have a female hex head for Allen keys.
Do not spray the motor, only the metal body of the throttle.
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Complete the cleaning process with a dry cloth to make sure all the gum is removed from the throttle.
Add one drop of motor oil on each side of the throttle shaft. Put the throttle body against the light and make sure it remains open by some little angle as a quick mechanical check. |
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Buy your throttle body spray from our partners' stores (Carb Spray):
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![](http://ae01.alicdn.com/kf/S6ad304444d034b569850b9a45483717cz.jpg_140x140.jpg") |