They don't.
lmfao good one you never seen a plugged cat before LMFAO
BUSTED
hurc ast
>
>> ever had a car with plugged cat?
>> why are engine overheat codes presant when u have a plugged cat >>
>> BWHAHAHAHAHA
>
MotorsForum website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.