Skip the auto shop - Our mechanics make house calls

Q: My car has low oil pressure. I've already changed the oil pressure sensor 3 times.

asked by on

okay problem is the oil pressure keeps dropping oil pressure but there's times where it drives fine with no drop in pressure and u hear no knocking. But then all of a sudden about when you gonna slow down or take it foot off the gas it drop below 40 and go all way down to 0 but if u give it gas the pressure goes backup. Then there are times when it runs fine no drop in pressure no knocking sound. I have replaced the oil pressure sensor three times. It hasn't fixed the problem. Please help

My car has 213182 miles.
My car has an automatic transmission.

If you have replaced the sensor three times and it did not fix the problem, then you may have problems with the oil pressure being low at idle due to wear in the engine bearings. The reason it would be fine sometimes and not others may be due to engine load and temperature changes. Have the oil pressure tested at the sensor port to see if it is low and needs engine repairs.

I recommend having a certified mechanic, such as one from YourMechanic, come to your location to perform an inspection to determine why the Oil Pressure Light is on.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!
  • Home
  • Questions
  • My car has low oil pressure. I've already changed the oil pressure sensor 3 times.

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: I had my oil pan gasket replaced and car is still leaking oil

Hello, thank you for writing in. An oil leak like this can be tricky. First know that the oil pan, by design, is the lowest component in the oil system, so that gravity will collect the oil in the pan...

Q: Truck has lost a lot of power.

All the parts of an engine are slowly wearing, and we don't really notice a problem if its getting slowly worse until it becomes a problem. When was the last time a tuneup was done? Have a certified mechanic inspect...

Q: Truck is knocking why

This is commonly associated with a worn main bearing or rod bearing. These are bearings that support the movement of your truck's crankshaft and pistons and involves dropping down the oil pan and removing main caps and rod caps to...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...