Note: Before servicing, make sure that the spark plugs, injectors, idle speed control mechanism, compression, etc. are in normal condition.
Verification conditions
Engine coolant temperature from 80 to 95°C.
Lighting devices, cooling system fan and all electrical consumers are switched off.
The gearbox is set to neutral (the selector is in position "P" or "N" in an automatic transmission).
The steering wheel is in the position corresponding to driving straight ahead (for vehicles with power steering).
1. Install the tachometer on the primary side, ignition coil side or connect the HI-SCAN scanner to the data transfer 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 s.
Let the engine idle for 2 minutes.
4. Read the idle speed.
Idle speed: 800 ±100 rpm.