my car check engine light coming on after i put mufflers on and took resonator off.

2008 SUBARU IMPREZA
108,455 MILES • 2.5L • 4 CYL • AWD • AUTOMATIC
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TERRY1994
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  • 2 POSTS
I just put some mufflers on my car and took the resonator off and it is starting to throw the code for the catalic converter every other day all I got to do is reset the check engine light but it keeps throwing the code and I dont know why
Feb 27, 2014 at 7:57 AM
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HMAC300
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are you sure you didn't pull the converteroff? is both O2 sensors connected pre and post.
Feb 27, 2014 at 9:35 AM
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TERRY1994
  • MEMBER
  • 2 POSTS
Yea its just the resonator that's took off
Feb 27, 2014 at 9:39 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
this is an assumption on my part bu tif you have air leaks where I've pointed out then that will cause your converter code to happen. I am assuming this is an wrx impreza model. again are both O2 sensors connected wiring wise as well?
Feb 27, 2014 at 10:04 AM
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