What is the fault of high idle speed of Suzuki Tianyu SX4 cold car?

Reasons for high idle speed when starting a cold car:

If the weather is very cold, the idle speed of the car will be below 1,000 rpm after starting, about 900 rpm, in order to protect the engine.

If the vehicle is started when the weather is above 15 degrees, the idling speed of the car will be around 1,200 rpm after starting, in order to allow the engine oil to quickly heat up and lubricate the mechanical parts.

Solution:

1. Clean the throttle valve and match it;

2. Check whether the exhaust pipe is leaking, and the latter is leaking; < /p>

3. Check the carbon deposits in the vehicle air intake;

4. Check the water temperature sensor.