How to modify the target idle speed with 43 1

43 1 idle speed setting method for red-flag vehicles 1. 1. Turn on the ignition and don't start the engine. 2. Select the vehicle type. 3. Select 0 1 engine system. 4. Read and clear the fault code. 5. Check the control computer model, generally "000 1". Enter the code "00000". 7. Start the engine, make basic system adjustment, enter 00 1, and turn off the key after the vehicle is stable. 8. Note: After changing the code and basic settings of the control unit, the idle speed may still not reach the normal idle speed, so the second method is needed. 2. 1. Loosen the air inlet hose clamp behind the air flow meter. There is a large amount of air leakage between the air inlet hose and the air flow meter. Because the mixture is too thin, the idle speed will decrease. By controlling the air leakage, the idle speed will be kept at about 860 rpm (normal idle speed value), so that the engine computer will begin to learn the new idle speed adaptive value. 2. Connect 43 1 3. Select the data block and enter "006" 4. Observe group 006. Tap the throttle every ten seconds, and the third value (idle speed adaptive adjustment value) decreases little by little with the increase of tapping the throttle. The first drop is about 0.02 until it drops to 0.95. 5. Finally, basically set the throttle, then install the intake hose and restart the engine.