2.0tfsi quattro Oil pressure problem.

[pyanev]

Hello i had a rebuild on my engine soon , and i have a problem when i drive the car on sport mode and after i push it a couple times the oil pressure light is starting to appear on the dash board . If you tell me what can be the problem and why its keep doing that i will be very thankfull . What could it be a oil pressure sensor or filter or something else ? Thank you

[Magnet]

Hello Peycho, 

You will need to tell us exactly what has been rebuilt on the engine and what hasn't.

Kind regards,

Gareth.

[pyanev]

The head and the block 

[Magnet]

OK , but what work was carried out on both?

Kind regards,

Gareth.

[pyanev]

• Engine block throughly cleaned & surfaces treated
• Engine block surfaces machined flat
• Tolerances checked on wearable items
• Oil pumps inspected/replaced if necessary
• Cylinder head skimmed or replaced if necessasry
• New OEM oil seals installed
• New OEM valve seals installed
• Valve seats machined
• Valve lapped to ensure a tight seal
• Block cylinders inspected for cracks
• New cylinder liners fitted
• Cylinderds machined to factory specification
• New uprated gas nitride piston rings fitted
• Connecting rods inspected & machined if necessary
• Crank shaft crack tested, ground & polished to specifications
• New OEM big end bearings fitted
• New OEM main bearings fitted
• New OEM spec eristic head gasket fitted
• All bolts torqued to specification in accordance with Autodata
• Assembled units oil pressure tested
• Assembled units compression tested

[Magnet]

Thank you Paycho,

'....oil pump ...replaced ....if necessary' may hold a clue. 

If it were mine, I would be getting the actual oil pressure measured when the oil is hot ( only after a 10 mile run) so that you will be able to know if it's simply an oil pressure sensor issue, or an actual a low pressure problem.

How many miles has the car done since the engine was rebuilt? 

Have you notified the rebuilders? 

Kind regards,

Gareth.