2004 Pontiac Bonneville "pressure pump problems" Questions

...pump on my 98 bonneville and the oil pressure is still low and causes my motor to knock The problem isn't with the oil pump. The oil pumps job is to move oil around the engine. What the problem is, ...

...pump can cause low oil pressure, as can worn engine bearings. The oil is pumped thru the crank bearings, then up to the top of the cyl heads. The pressure switch is midway up the block. 10w30 oil is ...

...Pressure Switch, Fuel Pump, rank Shaft position sensor, Fuel Pressure Regulator, and still having the same problem. when the car is switched on i can hear the fuel pump engage for a couple of seconds ...

pump works and still a gas problem, check fuel pressure with a pressure gauge-should have around 40-50 psi. If good, check that fuel injectors are pulsing. If not a gas problem, check for spark at the

...pump pressure relief is gummed up or faulty. Try putting in a quart of marvel oil. If it does not get better in a couple of days, you may need to take the pump out and check it. Depending upon what ...

...and let the engine warming up. And record oil pressure data. You will see if the oil pressure match your problems if so then there is an internal leak or bad oil pump or old engine oil. Hope it

...pump itself?? Thanks!! Probably just the oil pressure sender, at least that is the first thing I would replace. your,e oil pressure switch is located close to your,e oil filter,it problemy ...

...is off.  Could also be a problem with the fuel pump relay.I would check fuel pressure before and after you crank the engine.It should be around 25-35psi before and higher after you crank

...pressure spec. If not pump or electrical wiring/ connector is faulty. Third if all of the above is good test fuel injectors for pulse with a noid light or test light. Need more info on vehicle make ...

fuel pump had no pressure changed out same problem Try the Fuel Pressure Regulator, its on the engine attached to Fuel lines.