I have a 2006 Ford Focus Automatic which is chugging in hot weather and seems to lose some power. I'm hoping, but I am in no way mechanically minded(!), that because it is showing below minimum coolant levels and the weather is very hot, that it's simply an issue with coolant. Can I safely drive in the heat without any additives to the tank, or should I add some tap water for my single journey in the car, which is to buy coolant?
I am HOPING this is the issue causing the check engine light to come on intermittently (in hot weather) and causing a slight lack of power. If anyone can let me know if I'm onto the right path as a first-course of action, that would be greatly appreciated, also. Have checked fuel cap is tight, oil cap is tight, water tank cap is tight, oil levels are good, petrol level is good, no issues under breaking or acceleration with the exception of the above. thanks everyone!