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Alfa Romeo 145 - 146 Forum _ Twin Spark Engine Only Oily Stuff _ What is the right engine temperature for an AR 145/146?

Posted by: dante giacosa 24th April 2018 06:51

iF that is the case, Jacob;

That you now have a metal-top engine (CF1) with a plastic top /head? (CF2) fitted,

Then you will indeed have different engine management.

On the CF1 engines- there are two temperature senders next to the thermostat. One sends to the ECU and one to the dashboard instruments.
On the CF2 engines, there is one sender, and the dash instrument reading (coolant temperature) is derived from the ECU itself.


Jacob- it really sounds like a bad thermostat. But i'm a bit confused about your engine variant- can you post a picture of your thermostat, on the visible side of the engine, and that will answer a lot of questions... (Can you work out how to post a picture..?)

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