Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Questions tagged [oil-pressure]

34 questions
21
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4 answers

What are the benefits of a dry sump?

I've heard references to dry sumps, usually in reference to racing engines. But more recently I came across an article about a 'supercar' which stated that it had a dry sump. What are the benefits of a dry sump? Could a regular oiling arrangement…
timbo
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Car oil pressure gauge flips between 0 and 100%

My 2005 Chevy Tahoe has an Oil Pressure gauge. The needle usually sits to the far right on a value of 80. Recently it's started randomly dropping to 0 and as expected, the car's oil pressure alarm triggers and chimes. A few minutes later it will pop…
Guy
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5
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1 answer

Are mutliple oil and filter changes necessary to 'clean' an engine?

I was having low oil pressure issues on my 2007 VW Jetta. The oil pump filter was dirty because the previous owner didn't did the minimum oil changes. I took it to a mechanic and he did an oil change and cleaned the oil filter. The thing that he…
Rafael
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4
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1 answer

EPC light and P164B low oil pressure at high RPM EA888 1.8 2.0 TSI TFSI 4000 RPM limit

With warm oil, at highway speeds, while overtaking, my car turned the EPC light ON on the dashboard and limited my ability to accelerate the engine past 4000 RPM. After turning the car off and on again, the light and the limit dissapeared. Yet with…
Juan Manuel López Manzano
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4
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1 answer

Desperate for help on low engine oil light 2010 Tiguan

In August 2019, someone hit and totaled my 2005 Toyota Corolla. I purchased a used 2010 Tiguan. From day 0 it has had issues. I drove the car home but as I got off the highway it screamed and flashed low oil pressure. I pulled over to check the oil…
CircArgs
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4
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1 answer

What are the effects of excessive oil changes on an oil pump? (read description)

I would like to know what the effects on an oil pump are when oil is changed. Obviously after changing the oil filter the engine will run dry without oil pressure for the first few seconds while oil is sucked up past the non-return valve. I know…
ceefax12
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3
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4 answers

What would be better for an engine driving at 60mph or 70mph? I wish to get the most miles out of my engine?

At 60mph my engine revs at 2800RPM and at 70 it's 3200RPM. My qustion is which condition would give the most miles from my engine.
ceefax12
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2
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1 answer

2011 Silverado gasoline V8 low oil pressure after 30 minutes

2011 Chevrolet Silverado LTZ with 5.3L V8 and about 150,000 miles. After driving about 30 minutes, oil pressure falls and an alarm goes off and a message shows saying to stop the engine. This truck is new to me and I do not have history on it. All…
virullius
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How long before failure of engine due to no oil pressure?

Old BMW Engines in the 1990s (Engine code M52tu, M54, S52) have a problem where the nut holding the oil pump gear vibrates off with sustained at high RPM (e.g. on a track). The consequence of this is the pump gear falls off the shaft and oil…
tgun926
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1 answer

My new car was driven almost 100 miles without oil

I took my 2019 Mazda CX5 Turbo into a Mazda dealer for it's first 5,000 mile maintenance and while driving back to my town noticed that the check oil light was on. I called the service department and asked them why that would happen and the service…
Kathryn Rogers Musial
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Motorcycle Engine Test Without Oil

This weekend I finished my engine rebuild so I tried to run it, after a few tries I was gone check the oil pressure on engine head bolt and not even a drop. I had run the engine sometimes but not longer than 60 seconds and only retry after it…
Rodrigo Alencar
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2
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1 answer

Oil pressure light stays on for 4-5 seconds after cold start

I own a Suzuki Swift diesel. When I start the car in the morning during first time in the day, the oil pressure light stays on for 4-5 seconds after engine has started. Also when I restart the car when engine is hot, light goes off immediately. Is…
user3855004
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2000 Vw passat 1.8l oil is in radiator

I have a 2000 VW Passat GLS 1.8l and it has oil in the radiator reservoir. and my Oil light says oil compression low. i flushed the radiator and found oil in it again, (the radiator overflow) it doesn't show the temp light anymore but now it…
Stephen D Gilmore
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2 answers

Erratic Oil pressure in a 2005 Chev 2500HD with 6 litre gas engine

Bought truck in April. about one month later oil pressure would drop to zero and warning message would display Low Oil pressure and warning chimes would go off. Local GM dealer tested with mechanical gauge which fluctuated same as truck gauge, so…
Rotten Ronnie
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Can fuel dilution significantly lower oil pressure?

Low oil pressure light flashes at idle when the engine is warm. It doesn't do that when the engine is cold and it flashes more frequently the warmer the engine gets. The light doesn't flash or isn't on under load. Oil level is halfway between min…
Masza
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