Why does a Honda City engine sputter more in cold weather?

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Why does a Honda City engine sputter more in cold weather?

Some owners experience more engine sputtering in the morning o r during cold starts, especially in winter. What are the potential reasons behind this issue? Could it be related to the engine temperature sensor, moisture in the fuel system, o r incorrect fuel mixture during warm-up?

Sandeep asked on 26 Feb 2025 11:18:18 am

1 Answer

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Car Mechanic Expert - on 26 Feb 2025 11:58:01 am

Cold Weather Sputtering Causes:

Engine Temperature Sensor: In cold weather, a faulty engine temperature sensor can send incorrect signals to the ECU, leading to a poor air-fuel mixture and engine sputtering.
Fuel Moisture: Moisture in the fuel system can freeze in cold temperatures, causing clogging o r poor fuel flow.
Cold Start Issues: The engine may struggle to reach optimal operating temperature, leading to rough idling and sputtering until the engine warms up.

Solutions:

Regularly check the engine temperature sensor and replace it if it shows signs of malfunction.
Use fuel additives designed to prevent moisture buildup in the fuel system during winter months.