Got my after market headers removed but check engine is still on.

[rainofcastamere]

Originally Posted by MrChrisLS3

Assuming that all that all the parts are still good, cats and o2 sensors, it will, but not immediately. I am not sure about these cars, but for example, on my '96 Vette, which was the first year for OBDII, an emission code would take 40 start cycles with successful system check before it would reset.

Like some have said, you can try disconnecting the negative cable on the battery, or get a scanner that can erase trouble codes, they're not that expensive, and come in handy.

Oh ok, thanks for the input, I've heard it could take over 200 miles.

[rainofcastamere]

CEL went away on its own after I drove it a little over 200 miles.