Quote:
Originally Posted by gcoffelt
For the last year and a half I've own this car (my first diesel) I've religiously warmed the engine no matter the temperature of the day. I thought it was a good thing with diesels to let them get to the 80C mark before putting them to work. If I've been wrong this whole time, I've got some girlfriend apologizing to do ...
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Your not really wrong, it's just a waste of energy and isn't necessarily beneficial to the engine to do this. 80C is normal operating temperature and means the engine should be in this range for normal driving since it was designed to be most efficient at this temp. Once your sender hits 40C and begins to move, your engine is getting warm and should be good enough for driving at this point. Just try to keep the rpm below 2000 by driving away gently and let it warm up graciously for the first few minutes and you should be fine.
Diesel engines don't like or tolerate hard driving or high RPM's when they are cold because they run on compression alone.
