1. 

   Tassie Devil Copenworld Newbie

   Joined:

   Nov 21, 2018

   Location:

   Tasmania

   Car(s):

   2003 Diahatsu Copen 0.7 turbo

   Hi, would decating cause the 2nd o2 sensor a wrong reading ??

    

   Tassie Devil, Sep 3, 2019

   #1
2. 

   Salieri Copenworld Veteran

   Joined:

   Jun 19, 2012

   Location:

   Germany

   Car(s):

   Used to have a White Copen, but I sold it in 2023

   Yes, and that's illegal

    

   Salieri, Sep 3, 2019

   #2
3. 

   Tassie Devil Copenworld Newbie

   Joined:

   Nov 21, 2018

   Location:

   Tasmania

   Car(s):

   2003 Diahatsu Copen 0.7 turbo

   Will it still run ok ??

    

   Tassie Devil, Sep 4, 2019

   #3
4. 

   AFR0N1 Copenworld Regular

   Joined:

   Mar 22, 2018

   Location:

   East Midlands

   Car(s):

   Daihatsu Copen L880K (KMVZW)

   The engine warning light will most likely come on. The o2 sensors are used to check the air/fuel ratio by measuring the oxygen in the exhaust, and check if the cat is working (thats why there's 2, one before and after the cat)
   The engine might run poorly without it

    

   AFR0N1, Sep 4, 2019

   #4

   Tassie Devil likes this.

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in