why would my oil pressure drop while braking


Asked by Apr 29, 2015 at 06:40 PM about the 1999 Dodge Dakota 2 Dr STD 4WD Extended Cab SB

Question type: Maintenance & Repair

while braking my oil pressure drops to zero and the check engine light comes on. it doesnt
affect the actual running ability of the truck. what could be the cause?

4 Answers


Check oil level.


I saw this once before, the pickup screen had a crack in the tube, as long as it was covered by oil it was fine but brake and the oil would uncover the crack and the pressure would drop out, once the oil covered the crack again the pressure returned. Not good, every time the pressure drops out engine damage starts to happen. If this is a V8 then you can overfill the crankcase by half a quart, this might help if you have to drive it.


Bad oil sending unit,or what tennisshoe said,check the oil pump.


when mine did this, it was the oil pump. the sending unit was more erratic.

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