How do you reset the service engine soon light on a Pontiac Grand Prix?

How do you reset the service engine soon light on a Pontiac Grand Prix?

How to Reset the Service Engine Soon Light on a Grand Am

1. Turn the ignition switch on without starting the engine.
2. Press the “Options” button on the instrument panel until the service light is displayed.
3. Press the “Set/Reset” button to open the reset confirmation screen. Turn the ignition switch off.

How do you reset the check engine light on a 2002 Pontiac Grand Prix?

Take ignition to full on/start position and hold for minimum of 1 minute. Take ignition back to off. However, key will not return to off and will be stuck due to lack of battery power. Reconnect battery positive.

Is service engine soon light serious?

The Check Engine/Service Engine Soon light comes on when there is an emissions, ignition, fuel system or transmission related failure. This light does not mean that you just need routine maintenance. There are many different failures that may cause this light to come on. If the light is flashing, this is more serious.

Why is the service engine soon light flashing?

When the Check Engine or Service Engine Soon light starts blinking (as opposed to staying steadily illuminated), this means that a catalytic converter-damaging condition is occurring. When this Check Engine or Service Engine Soon light flashes, you should pull over safely and shut the vehicle off as soon as possible.

How long can you drive with a blinking engine light?

The rule of thumb is that if the check engine light is flashing, you can’t keep driving the car. It’s an emergency. Often it indicates an engine misfire. If you keep driving, you will likely cause irreversible damage, mostly to the (expensive) catalytic converter.

Can a bad catalytic converter cause a P0300 code?

Although rather uncommon, a faulty catalytic converter can cause code P0300 to set. If the catalytic converter becomes restricted, it can create enough back pressure to cause a misfire and trigger code P0300.

What does a spark plug misfire feel like?

Technically, a misfire is the result of incomplete combustion (or zero combustion) inside one or more of an engine’s cylinders. But to you, the driver, the problem will usually feel like hesitation or shaking when the car is running. On modern vehicles, the check engine light will also pop on when there’s a misfire.