510_dreamin Posted August 23 Report Share Posted August 23 My 510 recently started to always read “hot” after 5-10 minutes of driving, with the needle going all the way to the right after some driving. The issue is when checking with an IR thermometer the cars running perfectly at 160-164 degrees (has a 160 degree thermometer, Koyo radiator, electrics fans, new water pump) I noticed she connector to the coolant temp sensor was broken recently so I used a yellow electrical connector (12-10) to connector to the sensor but it’s not the best fit and it still reads hot the same way after 5-10 minutes. Anyone know what size connector it uses or what the culprit may be? Quote Link to comment
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