How to Solve the Blue Temperature Gauge Display on MG ZS?
3 Answers
When the temperature gauge on the MG ZS displays blue, it indicates that the engine coolant temperature is below the normal operating temperature. This is a normal phenomenon and will automatically disappear once the engine warms up. The hazards of an excessively cold engine are as follows: 1. The temperature of the air-fuel mixture (or air) entering the cylinders is too low, resulting in poor combustible mixture quality, making ignition difficult or combustion delayed, leading to reduced engine power and increased fuel consumption. 2. Water vapor in the combustion byproducts tends to condense and form acids when combined with acidic gases, accelerating corrosion of engine components and parts. 3. Unvaporized fuel washes away and dilutes the oil film on part surfaces (cylinder walls, pistons, piston rings), intensifying component wear.
It's quite common to encounter a blue screen on the temperature gauge when driving a MG ZS. Usually, a blue display at startup indicates that the engine hasn't warmed up yet, which is normal. Just wait a few minutes after starting the car, and as the temperature gradually rises, the needle will move to the middle. However, if the temperature doesn't rise or remains blue, you should be cautious. It could be due to low coolant levels. Open the hood and check the expansion tank's fluid level; if it's below the MIN line, top it up to the standard range. A faulty temperature sensor can also cause this issue, so it's best to visit a 4S shop or a professional repair center for an instrument check. Never ignore it, as unstable water temperature can affect the engine's lifespan. Always monitor the temperature changes while driving to prevent sudden problems.
With my extensive driving experience, the blue screen on the coolant temperature gauge during cold starts is normal for the MG ZS, as its design displays blue for cold conditions. However, if the blue screen persists after driving for more than 10 minutes, it's necessary to investigate the cause. First, check if the coolant level is sufficient and top it up with the same type of coolant if it's low. Second, inspect whether the thermostat is stuck in the open position, preventing the engine from warming up. Third, sensor malfunctions are common, and poor wiring connections can also lead to false readings. Address the issue promptly without delay, as this problem can prevent the engine from optimizing fuel efficiency, leading to increased fuel consumption. It's more reliable to have it tested at a repair shop.
