my car is running rough

Doug Driskill

Asked by Jul 29, 2016 at 06:14 PM about the 2007 Chevrolet Cobalt 2 Dr 1LT Coupe

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


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.

Your Answer

Add photo

Related Questions

  • While driving my car suddenly jerks starts running rough, then stalls when coming to a stop. 13 answers

    2006 Chevy Cobalt LT 2.2- 85000 miles. Idles rough at 500 rpm most of the time. Seems like its going to die but never does until the above problem occurs. It's been doing this intermittently for ...

    2006 Chevrolet Cobalt LT


    Maintenance & Repair

  • 06 Chevy Cobalt Missfire/Rough idle 7 answers

    I Habe A 06 Cobalt, Check Engine Light Is On. It Has A Very Rough Idle Amd Smoke Is Coming Out Of Exhaust.. Doesnt Smell Like Fuel.. I Habe Replaced Spark Plugs, Coil Pack, Icm, Amd.fuel Filter, A...

    2006 Chevrolet Cobalt LS


    Maintenance & Repair

  • 2006 colbot needs boost and runs rough engine light comes on. 2 answers

    I got a 2006 cobolt, I have had it about a yr, has less that 110K on it , A few days ago i went to start it and it was dead, We jumped it and started no problem , used it all wk end no problems at al...

    2006 Chevrolet Cobalt LS


    Maintenance & Repair

  • engine runs rough with AC on. 1 answer

    My Mother-in-Law's 2005 cobalt was running rough with AC turned on. We thought at first it was just bad plugs. I replaced the plugs and it ran great for a week. Then started doing it again. What cou...

    2005 Chevrolet Cobalt Base Coupe


    Maintenance & Repair

  • Car runs rough!! 2 answers

    I bot a 1995 roadster from a private owner 6 months ago with 33,900 miles. After six months the car has put on 600 miles so as you can see its mostly garaged. twice in the last month I took the car ...

    1995 Chevrolet Corvette Convertible


    Maintenance & Repair

Search Chevrolet Cobalt Questions

Chevrolet Cobalt Experts

#1 lightGear
Reputation 1,070
#2 FordNut
Reputation 1,000
#3 dandyoun
Reputation 890
View All

Related Models For Sale

Used Honda Civic"
1,122 Great Deals out of 58,107 listings starting at $1,300
Used Chevrolet Malibu"
1,146 Great Deals out of 72,632 listings starting at $695
Used Ford Focus"
1,172 Great Deals out of 56,884 listings starting at $1,495
Used Chevrolet Impala"
948 Great Deals out of 35,754 listings starting at $700
Used Ford Mustang"
717 Great Deals out of 41,256 listings starting at $900
Used Honda Accord"
1,269 Great Deals out of 77,637 listings starting at $1,395
Used Toyota Corolla"
1,419 Great Deals out of 66,811 listings starting at $1,295
Used Nissan Altima"
1,373 Great Deals out of 87,444 listings starting at $1,195
Used Toyota Camry"
1,585 Great Deals out of 98,102 listings starting at $895
Used Honda Civic Coupe"
336 Great Deals out of 16,293 listings starting at $799
Used Ford Fusion"
1,405 Great Deals out of 79,122 listings starting at $1,450

Used Cars For Sale

2007 Chevrolet Cobalt 2 Dr 1LT Coupe For Sale
5 Great Deals out of 201 listings starting at $2,405