Oil pressure values - ALFA ROMEO 159 1.9 JTDM 8V engine? - Alfa Romeo Forum
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Oil pressure values - ALFA ROMEO 159 1.9 JTDM 8V engine?

Does anyone know what are the oil pressure values at ALFA ROMEO 159 1.9 JTDM 8V engine?

My idea is to measure it with a oil pressure gauge to see if really there is a pressure problem as the original sensor claims on the dashboard.

I found on the internet some values but not sure if they are the right ones:

1,5 bar @ idle
4,5 bar @ 2000RPM
6 bar @ 3000RPM
6,5 @ 3300RPM

Thanks.
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Quote:
Originally Posted by allautotune View Post
Does anyone know what are the oil pressure values at ALFA ROMEO 159 1.9 JTDM 8V engine?

My idea is to measure it with a oil pressure gauge to see if really there is a pressure problem as the original sensor claims on the dashboard.

I found on the internet some values but not sure if they are the right ones:

1,5 bar @ idle
4,5 bar @ 2000RPM
6 bar @ 3000RPM
6,5 @ 3300RPM

Thanks.
I believe mine had around 2.1 bar on idle when warm and somewhere around 6 at 4000 rpm, do not remember correctly for the higher rpms.

EDIT: Your sensor is probably faulty, they go out often. JTD usually never have problems with oil pressure, maybe after 900 000 kms .
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