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Robert
Robert, UK Qualified Car Technician
Category: Nissan
Satisfied Customers: 4584
Experience:  self employed in the motor repair buisness 19years
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Qashqai with k9k diesel eng. "oil lo" readout on start up

Resolved Question:

qashqai with k9k diesel eng. "oil lo" readout on start up
Submitted: 2 years ago.
Category: Nissan
Expert:  Robert replied 2 years ago.

Hi..there..

I see you mention you checked the oil level before start up and if so where roughly does it sit?

Customer: replied 2 years ago.

had oil & filter change by mechanic, showing full

Expert:  Robert replied 2 years ago.
Hi..

Ok..there is or should be an oil level sensor on the side of sump pan.it likely that it is indeed faulty - you'll note a 2-3pin multiplug going to it.you may want to double check the connection itself is secure and clean or corrosion/dirt...the sensor itself is held to the pan via a single bolt..to replace would require draining the oil back out to remove and refit the sensor..and then once fitted refill back up to the desired level and then that should sort it out..so by the sounds of it id say the sensor is most likely playing up..you can probably confirm via diagnostic/live data to see what the sensors doing or the values..but id say the sensor would be the cause of the issue there and wont effect the engine in anyway.as it only reads the level currently in the sump pan as it is on cold and at each start up..i do hope this helps
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Customer: replied 2 years ago.

having driven a few miles. it is now showing "oil good"..........

must have been the connection, many thanks anyway

Expert:  Robert replied 2 years ago.

Hi.. unless the sensor giving out erroneous readings if it continues to give out the "oil lo" warning..thats why its vital with the car on level road surface to ensure the oil is at the correct when cold when the majority of the oil drains back into the sump than appossed to when hot and the oils been circulated around the engine..best to keep an eye on it.. also please dont forget to rate my responce above most appreciated