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My Oil Pressure gauge drops down to zero alot while driving but then goes back up to about 20. What could be the cause and repair for this. No overheating or other noises are heard. Thanks.


if you donn't hear any

if you donn't hear any tapping noise when it drops to zero then it's probley a faulty oil pressure sending unit.
what year, make, model and engin size?

To verify that the engine

To verify that the engine still has adaquate oil pressure install a oil pressure guage and then drive the car as normal an check the pressure to be sure its a guage problems and not a real lack of oil pressure.


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