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My car check engine light coming on after I put mufflers on and took resonator off.

Tiny
TERRY1994
  • MEMBER
  • 2008 SUBARU IMPREZA
  • 2.5L
  • 4 CYL
  • AWD
  • AUTOMATIC
  • 108,455 MILES
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
Thursday, February 27th, 2014 AT 7:57 AM

3 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Are you sure you didn't pull the converteroff? Is both O2 sensors connected pre and post.
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Thursday, February 27th, 2014 AT 9:35 AM
Tiny
TERRY1994
  • MEMBER
  • 2 POSTS
Yea its just the resonator that's took off
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Thursday, February 27th, 2014 AT 9:39 AM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
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?
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Thursday, February 27th, 2014 AT 10:04 AM

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