check engine lite

[manny]

is the check engine lite supossed to stay on until the code that is deteced is erased or will it turn it's self off and store the code

[GaryL]

It will stay on until the problem is corrected. You can reset the computer by disconnecting the battery, but if the problem is still there, the light will come back on. You can get the codes read for free at Autozone and some other parts stores.