Do I take off Both Battery Cables,to ResetThe engine check light?
1999 is the year of my
Ford Exsplorer. Do I disconnect both
Battery cables to Reset the Check engine
light? or just one?
On an OBD II vehicle such as your Ford, disconnecting the battery will not clear the computer. It must be cleared using a scan tool or code reader. If the problem is really fixed it will also clear itself after a few days of normal driving. HTH. -Jim
You can try just disconnecting the negative battery terminal. I did this a few years ago on a 2002 Durango. You should leave it disconnected for 5 or 10 minutes and it should clear the codes.
In any case. For those OBD-1 cars/trucks disconnecting the neg battery cable from battery is all that is needed to cut the power off the electrics and clear codes leave disconnected for a few minutes. Disconnecting both the positive and negative is not needed. Only the negative side.
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