Will aftermarket header throw a CEL

[redwing24]

just like it sound, will an aftermarket header throw a CEL in O2 sensor?

 

[Ominous G2]

No, you should be fine.

 

[redwing24]

so it wouldn't run to rich and throw a CEL then??? then what would make it run to rich then?? do you know. I know it is pretty vage but asking.

 

[dc2GS-R]

just like it sound, will an aftermarket header throw a CEL in O2 sensor?

Only if it is a "race header" that deletes the catalytic converter on a '96 or newer car

 

[jdm_mike19]

also make sure it if the stock header should have a o2 bug on end of it make sure after market one has it too

 

[jdm jon]

Only if it is a "race header" that deletes the catalytic converter on a '96 or newer car

couldnt of said it better

 

[redwing24]

I have a race header on it. there is no bung on it at all, and all I have is two sensors, one before the cat and one after. how many should there be????