Question about 2005 Pontiac Grand Prix

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Low iol pressure light coming on

My 2005 grand prix low iol pressure light comes on once in a while. Is this the sensor? there are no nioses coming from the engine

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Could be a sensor. Need to put a gauge on there and check the oil pressure, If ok, replace the sensor. If you have low oil pressure at idle, it is likely the oil pump is shot or the pick up screen is clogged with debris. In either case, this is going to require major repairs.

Posted on Jun 01, 2009

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1 Answer

Oil pressure light comes on?


You must immediately check your engine oil level and take appropriate action: unless you have a defective oil pressure sensor, oil pressure light usually indicates that your engine oil is not flowing properly. Some possible issues: low oil level (leaking engine?), blocked oil filter (when did you last get your car service) or defective or blocked oil pump due to excessive dirty engine oil.
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2005 grand Prix oil pressure light an dinging comes on


1. Check your oil level. If oil level is not ok, correct oil level and find out why oil level was low and correct the problem. (Leaks, bad PCV, Burning oil due to severe engine wear, nobody has bothered to check it for the last 3000 miles, WAY overdue for an oil change, etc.) If oil level is ok, proceed to next step.

2. Remove the oil pressure sensor and install a manual oil pressure gauge. Run engine to verify low oil pressure. If gauge shows that the oil pressure is low, overhaul or replace engine. If oil pressure is ok, replace oil pressure sending unit and retest.

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1 Answer

Low oil pressure light comes on when i stop giving the car gas like when i come to a stop sign or light and every now and again the check engine light comes on. I change the oil to a heavier oil and the...


This may mean engine wear or bad oil pump. I would have the oil pressure tested to see if its a shot some where or if the pressure is really low, this is done by removing the sensor and installing a gauge and driving the car to see if the pressure is low, if the pressure is low then more checking is neede to see why,you may have worn engine bearings or bad oil pump. depending on the mileage it may be smarter to replace the engine, not knowing what internal damage has been done already. good day.

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The engine speed it gets from the same place it gets the ignition info from. The temperature and pressure comes from the Mass Airflow Sensor. Sounds like yours is marginal.

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1 Answer

Low oil pressure light on at idle


first check the wire going to the sensor, give it a good clean on the conditions. if this does not sort the problem it could be because of the oil change, muck in the oil could of gotten into the sensor, you maybe able to clean it out but you may need to replace it. when an oil change is done they would put a cleaning agent in with the oil, this loosens any burnt oil off the engine, this burnt parts can stay in the engine and float around and even block the pressure sensor.

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2005 Pontiac Grand Prix Traction Control Problem


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Nov 07, 2009 | 2005 Pontiac Grand Prix

1 Answer

1997 grand prix gtp. Tire pressure/abs light


Hello! This indicates a fault with the wheel speed sensor/ABS sensor. Any major auto parts retailer can pull the details of this code (which sensor) for free, which will help you identify if the wiring is loose or damaged or if the sensor will need to be replaced. If you need to replace the sensor - you will need to replace the entire wheel bearing assembly, as the sensor is internal.


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The low oil light comes on every once in awhile. what would cause that problem?


either your oil level is low or the oil sensor has gone bad or its disconnected.

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