B16, B18, B20
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By {ikon}EM1
#270848 Driving this morning and noticed the temp groping while I press the gas... when I let go it goes back up to normal and back down again when I press the gas... it never did that b4 and idk what it is... thermostat maybe

I did change out the cooling fan cus mine wasn't working
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By breez
#270892 the temp sensor wires/connector could have play . try wiggling it while a friend looks at the temp gauge . Also inspect the wires connector could be an exposed wire or loose connection .