when you first turn you car onto accessory...you will see the a countdown of 5 secs before the digital gauge gives you a reading....the bars will go up and down during that time.
if you crank the car up the gauge display will go out in a couple of secs...
if you crank the car up then turn it off and back to accessory the countdown will now be 9 1/2 mins before it will give you a reading again...my guess it to let the oil settle back down
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- ian
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