Quote:
Originally Posted by Thassos
Just wondering, as the maf is a hot wire type sensor, if the engine isnt started, maybe the hotwire is making the temp show higher than ambient?, if you start the engine what happens to the temp shown, does it drop ? i guess the ecu would know if the engine is running or not, maybe its a 'raw' value that isnt used until the engine is running?, i think there is also a temp sensor inside the map (boost) pressure sensor, which is charge air temp before it gets to the head.
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Hey,
You are right. Temperature drops when idle.