Bypass catalytic converter

Technical info on the Pontiac Vibe and Toyota Matrix including do-it-yourself info
crystal79
Posts: 10
Joined: Fri Sep 30, 2011 12:15 am

Bypass catalytic converter

Postby crystal79 » Sat May 19, 2018 2:52 am

Muffler shop wanted $600 to repair 03 vibe. Another wanted $100 to bypass it. So, I chose the $100 option, not fully understanding things. Now, trying to sell it, when I say converter has been bypassed customer loses interest. I see there are some on eBay for $125. What to do? I feel i have to tell them. Is it better to just buy the $125? What problems could show up from bypassing it? Thank you in advance..

andrewclaus
Posts: 108
Joined: Tue Oct 03, 2017 6:38 pm
Location: Golden, CO

Re: Bypass catalytic converter

Postby andrewclaus » Sat May 19, 2018 6:42 am

I think the CAT you can legally use will depend on if you're in a CARB state. If it has to be labelled to California standards, it's going to be more expensive, maybe double.

I wonder how the shop dealt with the downstream O2 sensor. Do still you have a check engine light after the work?

I've never done this, so I'm not sure, but that's what I've read about other cars.

jolt
Posts: 553
Joined: Sun Mar 02, 2014 2:07 am

Re: Bypass catalytic converter

Postby jolt » Sat May 19, 2018 10:08 am

Does your "Check Engine" light work? It should be on if the convertor is removed unless more things are bypassed. I myself would not by many vehicle if the check engine light did not work. Once I see that it is run away time.

crystal79
Posts: 10
Joined: Fri Sep 30, 2011 12:15 am

Re: Bypass catalytic converter

Postby crystal79 » Mon May 21, 2018 4:10 am

Thanks, guys, The check engine light works, but is not ON when driving. Anyway, I just ordered the kit to restore it to previous state.


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