Skip the auto shop - Our mechanics make house calls

Q: Why would Oil Pressure Light come on while braking?

asked by on

I read online that 2005 Subaru Legacy GT can go as long as 7500 miles as opposed to the traditional 3000 between oil changes, especially since i am running synthetic oil, which some even say can last longer than the 7500 in normal conditions. I have only let my car go past the 3000 mile recommendation by about 2000 miles, so 5k total and yet my oil pressure light flickers on while braking or idle at stop lights. it turns off while driving. What is the problem?

My car has 112000 miles.
My car has an automatic transmission.

A: Hello. I don’t know how often you check you...

Hello. I don’t know how often you check your oil level, but I would certainly check it now. Turbo-charged engines consume a bit more oil during an oil change interval than non-turbo engines, and it’s possible your oil level is low enough to "slosh" away from the oil pickup in the oil pan during aggressive braking. The oil pressure light flickering at an idle is a worrisome indicator as well, suggesting worn connecting rod or crankshaft bearings. It may be time to get this looked at by a professional. Have a certified technician, such as one from YourMechanic, inspect the Oil Pressure Light in person for a precise diagnosis and repair.

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

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: oil light is on, oil tech suggested sensor to be replaced

If the Mechanic tested the oil pressure sensor and found it to be bad or, in lieu of that, used a pressure gauge to measure the oil pressure at varying RPM's and found the pressure to be with the limits...

Q: overheating

You most likely have a coolant leak in the radiator. Running your Accord low on coolant will damage the engine and blow the head gasket. Have the cooling system pressure tested to see what is leaking.

Q: Got my oil changed this morning and now my oil light is on and the cold/hot gauge is passed the h.

Hello. It sounds like the engine was not filled all the way. A lack of engine oil or a low engine oil level will cause the oil pressure to drop and can cause the engine to overheat as well. I...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
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...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...