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Bob
Bob 5/17/2010
1987 Dodge Colt Vista 4Cyl2.0L - Engine
Catalytic converter became red hot and lots of smoke near it even with the engine cool?
1 Answer
  • Nissan Technical Advisor
    Depending on the input given, your catalytic converter is working hard that indicates unburned fuel in the exhaust which is most likely caused by ignition misfire or a compression leak. Did you try to test the catalytic converter with a vacuum gauge, to determine its working condition? Test and replace it if necessary.
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