Gauge reading when car is off

kcutrona

New Member
Aug 4, 2018
1
0
1
Texas
When I shut my car off and take the key out, my gauges continue to read i.e. oil temp, gas, and coolant temp all continue to read as if the car is on. Is it supposed to do that, what is causing that? Also my coolant temp gauge shoots straight up to full hot when I shut off the car. does anyone deal with this issue?
 
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