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Trouble Starting a 2002 Jeep Liberty
- 1). Go through the normal start-up procedure. Sit in the vehicle and turn the key to the on position. If none of the dashboard lights come on, the engine doesn't turn over (you will be able to hear it chugging) and the headlights don't come on, then there is a problem with the electrical system, most likely the battery.
- 2). Take the keys out of the ignition and pop open the hood to inspect the battery. If there is a foam on the battery, then you need to call a tow truck. The battery is leaking acid, and you need a professional car mechanic to fix it because of the danger of acid burns. However, if the there is no foam, then you can thump the battery posts with your shoe or a rubber mallet to try for a reconnect, as the posts may simply be out of contact. Try to turn on the car again after this. If the lights come on, then the problem is not in the electrical system. If the engine turns over but does not start, then you may have a dead battery. You will need a new battery.
The battery can be removed by undoing the battery posts and retaining clamps by hand, though a flat-head screwdriver can be used for leverage. Then slide the battery out by pulling on its built-in handle, and slide a new battery in. Reconnect the retaining clasp and post clamps by hand.
- 3). If, however, the Jeep Liberty won't start after installing a new battery but the electrical system is functional, you may have a flooded engine. A flooded engine is when the spark plugs are wet and cannot generate a spark. To dry the plugs, you need to enable the Clear Flood mode; this is done by depressing the accelerator all the way to the floor and then continually turning the ignition. This causes the motor to pump air instead of fuel through the cylinders, and will dry off the spark plugs. After a few minutes, take your foot off the accelerator and take the key out of the ignition. Then put the key back in the ignition and turn the engine on. If your car does not start after this, you have mechanical problems, and will require the services of a mechanic with custom diagnostic equipment.