anyone know why the dial reaches 90 degrees well before the coolant is at 90 my dial said 90 and the temprature was only about 47 but constantly rose to 90 and didnt move one degree either side which seems good to me
 
de ja vous. only i'd said 46 not 47. close but no cigar! tis a bit odd thought. i could understand if it was just an innacuracy but it seems off that even when its getting hotter, the needle doesnt keep rising. has anyone ever seen it go over 90 on the dial?

and assuming the thermostat isnt the case, what could be causing the drop in MPG (as per the first post)?
 
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