Q: Oil pressure drops to zero when engine is hot and idling

asked by on

After i have been driving for awhile and i come to a stop the oil pressure drops to zero and then when i rev the engine it goes back up to about 25. What is the problem?

Hello, This suggests that one of two things are happening. Either the motor is in fact low on oil or the oil pressure sending unit is not working properly and may be producing a faulty reading. I would recommend first, to check the actual oil level in the motor by using the dipstick. Be sure the oil level reaches the "full" mark. If this registers as "full" then you likely have a faulty oil pressure sending unit. I would recommend having an expert from YourMechanic come to your location to take a look at your vehicle to determine what may be causing your low oil pressure problem.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Oil pressure drops to zero when engine is hot and idling

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Leaking exhaust

In my experience, I have found that it is not uncommon for Jeeps to develop exhaust leaks over time. The most common exhaust leak can be found in the the gaskets between the various exhaust joints, which are held together...

Q: What is involved in the 30,000 mile tune-up for a 2015 Jeep Patriot?

Hi There, The 30,000 mile service for your Jeep Patriot should include the following: Engine oil (Change) Air filter (Replace) Spark plugs (Replace) Oil filter (Replace) Wheels & tires (Rotate) Other items that should be inspected at this...

Q: Manifold bolts loose and possible vacuum leak.

Hi there. If the intake bolts are loose, then there was an issue with the engine before and a mechanic or someone has removed the intake manifold to fix what ever had failed. It is possible that the mechanic or...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.