2011 buick enclave cxl catalytic converter turns red hot after barely 2 minutes what is the cause
already replaced all three section of catalytic converter and starter; getting to
have the 02 sensor replaced and spark plugs, don't know if that would solve the
There is still a restriction in the exhaust, the motor just doesn't do this on its own, A lot of cars have what is called a mass air flow valve in the exhaust, they stop working and backs up the exhaust heat in the system, just like a catalytic will when they get plugged. I assume there is nothing crushed on the exhaust system?
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