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Posted on Jan 02, 2017
SOURCE: Oil Pressure Drops While Driving
your oil pump is either weak or there is sludge i9n the oil pan. my adives is to have the oil pan dropped . chances are sludge is the culprit. as the oil get's warm the pressure should only drop slightly but pressure is generally dictated by engine rpm. pumps are gear driven so if it was a bad pump your oil pressure would start out very low at start up.
Posted on Aug 28, 2008
First have your oil level checked and make sure that it is at the right level. If not that's your problem, if your level is good you may have a bad oil pressure switch. This can be checked by using a oil pressure guage. If switch is bad replace and solve the problem. However if your vehicle has alot of wear and tear on he engine and you were using 20w-50 oil and it was replaced with 5w-30 that oil may be too "light" for the vehicle and you would get a low oil pressure reading. Good Luck
Posted on Dec 15, 2008
how low is dangerous low? are you going by factory gauge? need to run it with a mechanical gauge to see exactly what it is doing. if it is too low your only option is to replace oil pump and main bearings. these would be your wear items most likely causing low pressure.
Posted on Jan 23, 2009
No it is a fail safe. When your oil pressure drops below (on most cars) 30 psi your computer will shut your fuel pump down until you either let it sit for a while and it resets or until oil pressure builds again. Sorry!
Posted on Mar 11, 2009
It may be a coincidence but try replacing the oil pressure-sending unit if it does not change try changing back to the original oil
Posted on Aug 30, 2009
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