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How do I fix DTC P2196, P0133

  

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Topic starter

Hey Scotty

I have a 2007 Mercury Milan 2.3L and the codes I'm having trouble with are P2196 and P0133. I bought brand new oxygen sensors and the codes still comes on.


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Posted by: @twizzle8732

I bought brand new oxygen sensors and the codes still comes on

Did you use OEM (Original Equipment Manufacturer) parts? Did you also check for vacuum leaks?


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Topic starter

No I didn't check for vacuum leaks... What spray would you recommend in doing so and yes I used motorcraft oxygen sensor for upstream and downstream. 


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