Known issue · 718
Coolant system fault: 718 Cayman and Boxster
Is your Porsche 718 Boxster or 718 Cayman showing a coolant system fault? Why your 2018-2023 Porsche 718 Cayman / Boxster may be overheating and showing a coolant system fault on the dash. From potential water pump problems to pressure loss, we go through the common issues that can trigger the coolant light.


