The 75 and ZT Owners Club Forums - View Single Post - Heater work for 30 minutes then goes cold

trikey · 31st January 2020, 12:56

If the needle is just under halfway then your thermostat is sticking open, run the obd temperature display, this will give you an accurate figure of what temp your engine is at.

31st January 2020, 12:56	#3
trikey Premium Trader Rover 75 Join Date: Nov 2010 Location: Devon Posts: 33,762 Thanks: 8,837 Thanked 14,831 Times in 8,030 Posts	If the needle is just under halfway then your thermostat is sticking open, run the obd temperature display, this will give you an accurate figure of what temp your engine is at. __________________ Lest we forget..