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Discussion Starter · #1 ·
Hi,

I have had my Check Engine light on 3 days ago. I also experienced a huge drop in my gas mileage. I took it to the mechanic and I got a P0422 error...
I think it could be the catalytic converter, the 02 sensors or the manifold... but I'm not sure.

Have any of you had this problem before ?


thanks
 
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