There is more than the fuel pump on that circuit. Get a wiring diagram from MOTORLIT.COM and find out what all is on the circuit.
old fuel filter
There are several reasons that can cause your 1995 Buick Century to quit running. The most common reason is a lack of fuel. A bad fuel pump can cause the engine to quit running.
mabye the O2 sensors
i have a 1996 buick century just came back from mechanic head gasket is gone and there is anti freeze in my oil i guess if you had water in your rad then you would have water in your oil.
Worn trans or diff parts. If it gets worse, have it looked at.
* cause it needs to be put in drive to go forward
It could be the heater core leaking.
where is the Kill start button on a buick century 2003?
There are a couple of things that can cause oil to get into your coolant reservoir. A blown head gasket or a broken piston ring are the most common causes.
buick centurys and other gms the multifunction switch has a tendency to fail and this will cause the headlites to malfunction and go out on high beam,switchj also controls the cruise and turn signals.
Sounds like a torque converter issue, have it checked at a transmission shop
Whenever tha heater/AC is on in any mode, the fan will run on low speed