Rx7DGS

hey guys

my car is showing a low oil pressure on the meter. When it start it shows really high but when it heat up, at idle, it shows around 10-15, sometimes it's almost 0. When i'm on the gas it climb up a bit but normally not more than 30-40. the car still runs fine and the only problem with the car is some oil leak from turbo.

So, is it normal? i wouldn't think so...

anyway, if anyone knows the reason or anything about this low pressure, please help

thanks

witt

Rx7DGS

anyone knows the reason?

thanks

O 16581 72452 5

Bump up to higher weight oil.

rotarygod

iTrader: (1)

That is a terrible idea and definitely not getting to the source of the problem.

Green_Streak

all depends if he's running 5W20 oil in florida like the previous owner of my car was... in other words, what weight oil are you running? and get a mechanical guage on there to check what the pressure actually is, the one in the dash is garbage

areXseven

iTrader: (1)

Probably the Oil Pressure Sensor going kaput. Very common problem with our FDs. It might help to disconnect the Sensor and clean the connection and the Sensor from the inside. If it does not stabalize the pressure reading, then it's time to purchase a new one.

Rx7DGS

thanks guys but where can i find the Oil pressure sensors?

O 16581 72452 5

Problem to me sounds like his bearing clearances are getting larger over time and he needs to bandage it with thicker oil. He might just be running too thin of oil in general.

mdpalmer

iTrader: (24)

Did you ever solve this problem? I have a very similar one:

low oil pressure

mdpalmer

iTrader: (24)

^^^^

My5ABaby

iTrader: (7)

Verify with an aftermarket pressure gauge. Don't trust the stock one.

mdpalmer

iTrader: (24)

I did. My own electronic gauge and an external analog one.

mdpalmer

iTrader: (24)

Just a few more notes:

Old filter was thrown away before it could be inspected and pickup tube didn't have any stuff on it. Pickuptube was not bent, sealed just fine to the motor. Another mechanic at the facility said it's possible that one (or both) of the bearings may have "rotated", although that is very unlikely. They said that kind of problem would be accompanied by lots of mechanical noise...

I was reading in the manual that the oil cooler has a bypass valve... do you think it's possible that the valve is opening prematurely? I'm running out of ideas! Rotary mechanic checked the thermal pellet in the e-shaft and said it's fine.

I read another post where someone forgot to put an o-ring back in during assembly and he got very similar symptoms to what I have now:

weird oil pressure due to blown gasket for white o-ring that is between the front housing and the front cover