What is the low idle speed of a car? The throttle is electronic.

1, throttle position sensor signal.

2. The gasoline pump and its circuit are in poor contact.

3. There is also an air flow meter signal.

1. Idle speed of EFI vehicle is the reasonable idle speed given by the driving computer after a series of sensors such as throttle opening sensor and temperature sensor feed back information to the driving computer.

2. If your car is a new car, and it has been like this all the time, it seems that this is what the manufacturer set for the driving computer. As long as it works properly, don't worry.

3. If the idle speed of the vehicle drops after a period of use, it may be due to hesitation, carbon deposition and other reasons, which makes all sensors give wrong signals, which makes the driving computer make wrong judgments and reduces the number of revolutions. This requires going to the repair shop to clean the throttle, nozzle and oil circuit, and then resetting it with a computer.