Adjust idle speed and mixture.
1. Start the engine and set the mixture quality screw to the maximum idle speed.
2. Set the idle speed with the mixture quantity screw:
For engines:
- with manual transmission - 750 rpm
- with automatic transmission - 850 rpm
3. Repeat these adjustments until the maximum idle speed increases at any position of the quality screw.
4. By turning the quality screw, set the minimum idle speed.
5. (With a feedback system)
Connect the vacuum hose to the pneumatic diode (VTV).
6. (In the presence of an air bypass system in the exhaust pipeline (AS systems))
Connect the vacuum hose to the vibration valve of the AS system.
7. (In the presence of sealing of the idle screw)
Install a new plug (filling).
8. After adjustment is complete, road test to ensure that engine performance has not changed.
Troubleshooting