Quote:
Originally Posted by ard
There are more than one temp sensor.
There may be more than one cooling pump and one cooling circuit (ie turbo cooling+main cooling)
When pumps start going bad, they can be INTERMITTENT. Running slow when cold, perhaps?
As a result, you can get a local loop where it is overheating, due to no flow- yet the motor is overall cool.
Just a WAG, but this isnt the old 'one pump, one sensor, just one big water pool' situation
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This is the n62 engine. One pump that is belt driven. I replaced it about a year ago in addition to the thermostat. Sensors are still originals.
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