The high pressure power steering hose will commonly leak fluid; it should be replaced.
Problems for specific Pontiac Grand Prix years:
Car problem reports
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Most reported 2004 Pontiac Grand Prix problems
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
The fuel pump may fail causing engine to stall and not restart.
The steering may develop a clunk type noise from the upper intermediate steering shaft. Our technicians tell us that you should check with your local GM dealer to find out what the latest repair is for this condition.