my car is running rough

Asked by Jul 29, 2016 at 06:14 PM about the 2007 Chevrolet Cobalt LT Coupe FWD

Question type: Maintenance & Repair

My car which is a 2007 chevrolet cobalt ls 2.2
motor was running rough I though my catalytic
converter was stopped up so I cut it out and put a
pipe where the catalytic converter was and every
since my car is doing a lot of crazy stuff smell gas
from my tail pipe its running rough at times no
power at time do I have to have a catalytic
converter on or does it cause problems on a cobalt  
if you don't have it on??

1 Answer

4,655

When you removed the catalytic converter did you also remove a sensor of some sort? If you did, there's your problem. You may need to put a catalytic converter on it, or there may be a way of bypassing it. Any muffler shop will be able to advise you on that one.

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