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I have a 99 Pontiac GTP how do you turn the service engine soon light off?
Wiki User
∙ 15y ago
You might be able to just disconnect the batery terminals, both of them, for a few mintues. This will probably work, but as soon as the computer relearns, it will set the light again if the problem is still present. Also a mechanic told me to disconnect the battery as decribed above and then turn on headlight switch and leave in the on position for 5 min. Then hook up Battery and start car the light should be off. Keep in mind if you don't fix the problem first the computer will trigger the light again.
Wiki User
∙ 15y ago
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