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How to Reset the Computer on My 1995 Pontiac Grand Am V 6

A "Check Engine" light flashing on the dash can warn you of impending problems with your Grand Am, but it can also be annoying if you fixed those problems without resetting the warning light. If you dont have access to an on-board diagnostics scanner, the quickest and most popular way to reset a "Check Engine" light is to disconnect the battery. Removing the computers power source for an extended period of time will cause it to lose most of its stored information, including the parameters that triggered the "Check Engine" light.

Instructions

1

Open the hood and locate the battery. In the Grand Am, the battery will be on the drivers side of the vehicle.

2

Disconnect the black negative terminal cable with a ratchet and socket. When setting the cable aside, make sure the metal end of the cable is not touching any metal surface. Disconnect the red positive terminal cable with a ratchet and socket and set it aside.

3

Drain the residual energy in the vehicles wiring and circuitry by pressing on the horn or brake pedals until there is no power left. Wait at least 15 minutes for the vehicles engine computer to "forget" its settings.

4

Reconnect the positive and negative terminal cables to the battery. Tighten the connections with a ratchet and socket and close the hood. The engine computer may require a "learning period" in which the computer readjusts the transmission shift points and throttle input according to the owners driving style.