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Once my B16a2 ek4 warms up to OT it hits VTEC no problem but as soon as you put the heating on in the car the temperature gauge goes right to the bottom. Even when the temperature gauge has gone down, it still hits VTEC.
I’ve recently just put a new OEM thermostat in and a new coolant fan switch in and still having this issue.
Any ideas?
Civic Ek B16A2 Temperature gauge issue help
