1996 Pontiac Sunfire Other or unknown Problems

“My incident is not a failure, but a constant problem. Since I bought the car used in december of '03, there has been major hesitation when idle or accelerating. In february of '04 my fuel pump died, leading me to assume this was the problem. I purchased a new fuel pump and installed it. I just had to replace my fuel pump again because I was beginning to hear a high-pitched squeal from the pump and the hesitation had worstened (may '04). These problems are still there, leading friends to believe that this is a head/head gasket problem instead of a direct fuel system problem. …”

“Water pump leaking half gallon or more of fluid everyday, causing low coolant light to come on. Local dealer wanted 7 hours and $600.00 dollars or more to fix. Catalytic converter failed at accordian-like shock absorber at high speed. Was upset to learn that replacement part was dealer-only item and cost $420.00 dollars plus $40.00 dollar core charge. Wheel studs (three)on passenger side front wheel failed during highway trip in june of 1999. Two more failed during august of 2000. Have been told, could be overtightening issue, but have not had problem with remaining studs on other wheels. …”