What are the reasons for the difficult starting of Teana 2.3?
1 Answers
The reasons for the difficult starting of Teana 2.3 are as follows: Possible fuel injector leakage: The fuel injector sprays fuel normally, but leakage constitutes additional fuel supply. Therefore, the more severe the fuel injector leakage, the richer the air-fuel mixture becomes, leading to difficulty in starting when the engine is warm. Engine carbon deposits: Engine carbon deposits are already a long-standing issue. Carbon deposits have a strong adsorption effect on gasoline. If there are significant carbon deposits on the intake valves, throttle, pistons, etc., they can easily adsorb some fuel, causing the air-fuel mixture to become too lean, thereby affecting starting. This situation can also occur during cold starts. Poor fuel quality: After the engine is shut off when warm, the temperature in the engine compartment remains quite high. If the fuel itself is highly volatile, it can easily form high vapor pressure in the fuel rail. When this pressure exceeds the pressure of the fuel supply system, it can cause vapor lock, resulting in the fuel injector spraying too lean a mixture of fuel vapor, leading to difficulty in starting. Intake air temperature sensor issue: The intake air temperature sensor is similar to the coolant temperature sensor in that both are used to adjust the fuel injection amount. However, the difference is that if the coolant temperature sensor fails, it can cause difficulty in cold starts, whereas if the intake air temperature sensor fails, it can cause difficulty in warm starts.
