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I began a thread earlier in the month on this issue, however most of you are too busy driving and enjoying your cars to respond. 
I took mine out again this weekend for a spin down through the central valley of CA (200 miles round trip) outside temps averaged 96 degrees.
While moving at freeway speeds my gauge shows coolant temps to be around 180-200 degrees, however once I reached my destination and moved to surface streets, the coolant temps moved past 220 degrees and upwards.
When idling at a stop light gauge readings move closer to the 240 degree range and oil pressure as reflected on the gauge drops waaay off, recovering quickly once engine rpm's increase.
Anyone else notice large fluctuations in gauge readings now that the summer heat is approaching? My dealer states the system is operating within parameters, however they cannot tell me what those parameters are.
In my mind, anything above 220-230 degrees is pushing it, however I may be mistaken. Any feedback would be greatly appreciated.
I took mine out again this weekend for a spin down through the central valley of CA (200 miles round trip) outside temps averaged 96 degrees.
While moving at freeway speeds my gauge shows coolant temps to be around 180-200 degrees, however once I reached my destination and moved to surface streets, the coolant temps moved past 220 degrees and upwards.
When idling at a stop light gauge readings move closer to the 240 degree range and oil pressure as reflected on the gauge drops waaay off, recovering quickly once engine rpm's increase.
Anyone else notice large fluctuations in gauge readings now that the summer heat is approaching? My dealer states the system is operating within parameters, however they cannot tell me what those parameters are.
In my mind, anything above 220-230 degrees is pushing it, however I may be mistaken. Any feedback would be greatly appreciated.