Quote:
Originally Posted by twj347
That seems awfully low. My coolant heats up by around 30-33 C in 4+ hours. On my last car it was 40 C. Both 400 W block heaters.
What is the power rating of the heater? I'd check its resistance with a multimeter to make sure you don't have a wiring issue. Should be 33-36 ohms for a 400 W block heater.
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I'll check, but I belive these are supposed to be 150 or 200W.