Stock Problems/Issues Discussions related to warranty related issues and repairs, or other problems with the OEM parts and software for MINI Cooper (R50), Cabrio (R52), and Cooper S (R53) MINIs.

Shut-off Valve / Bypass Valve mafunction will throw code?

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Old Mar 23, 2013 | 11:08 AM
  #1  
Hochspannung's Avatar
Hochspannung
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Shut-off Valve / Bypass Valve mafunction will throw code?

My bypass valve sticks pretty badly. At least, that't what I believe is happening.

When I depress the accelerator, I have at least two full seconds before I get any boost. So my S/C is behaving like a big turbo.

If I hook it up to a code reader will it throw a code for that ?
 
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Old Mar 23, 2013 | 11:49 AM
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ZippyNH
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From: Southern NH
Generally no....
If the bellows that connects to the vacum line fails..maybe, but due to a vac leak, not due to a sticky bypass valve.
You can try to ziptie the bypass valve closed, and see if you lag goes away...you loose some mpg, but easy test.
 
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Old Mar 23, 2013 | 12:08 PM
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Hochspannung
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just zip tie that external lever that you can work open and closed by hand?
 
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Old Mar 23, 2013 | 12:12 PM
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Hochspannung
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when the car is off, the valve is in closed position correct?
 
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