Note. Before servicing, check that the spark plugs, injectors, idle speed control mechanism, compression, etc. in normal condition.
Verification conditions
Engine coolant temperature from 80 to 95°C.
Lighting devices, cooling fan and all electrical consumers are off.
The gearbox is in neutral (selector in position "R" or "N" in automatic transmission).
Steering wheel in straight ahead position (for vehicles with power steering).
1. Install a tachometer on the primary side, ignition coil, or connect the HI-SCAN scanner to the data connector located in the fuse box.
2. Start the engine and let it idle.
3. Set the engine speed from 2000 to 3000 rpm for more than 5 seconds.
Let the engine idle for 2 minutes.
4. Read the idle speed.
Idling speed - 800±100 rpm.