usually that problem is caused by a leaking head gasket. The only way to find out is to have a mechanic do a leak down test on all cylinders. This will tell you which cylinder is leaking.
blown head gasket
a crack or a hole in the tank. or hose for that matter
Coolant Temperature Sensor
the enigne is shot its burning the oil and coolant that's why it runs like garbage
over heating ,bad radiator cap or blown head gasket
the steering wheel..
A malfunctioning coil pack can cause your 2001 Pontiac Grand Am to backfire. The more likely cause is a faulty fuel injector.
A crack near or on the thermostat housing can cause a coolant leak in a 1996 Grand Marquis. The thermostat housing is located near the manifold on this vehicle.
Blown head gasket
Its going bad.
you might wanna chage the plugs and wires. what other symptoms does the car have. i am having the same problem in my 2003 pontiac grand prix gt
The ABS light on a 2004 Pontiac Grand Am can be reset by connecting an OBDII code reader to the vehicle's computer. It can reset all codes and determine their cause.