Question about Pontiac Grand Am
Your oil pressure can be effected by several things. If you visually look at the sensor with the vehicle running you can usually see the oil coming out of the top of the sensor. Also look at the engine to see where oil is dripping from. Valve cover gaskets, pan gaskets, front and rear oil seals all have a tendency to leak especially the rear seal.
Regarding your oil pressure, if the oil is full then you should have pressure unless the pump is bad. The only other reasons for lower oil pressures are if you ran the engine out of oil and spun a bearing or two. Got the engine hot and caused the oil pressure bypass spring to loose its strength thus lowering the pressure. A plugged oil filter, etc. can lower it also. If you have a newer vehicle, they are built to run at lower oil pressures than older carburated vehicles do. This is the biggest reason that newer vehicles have no oil pressure gage in them. Good Luck, RAC
Posted on Apr 19, 2009
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Posted on Jan 02, 2017
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