Standard rpm x.x. (after warming up)
Checking the speed x.x.
Make sure that all loads are disconnected from the engine: air conditioning, power steering pump and various electrical consumers.
With the help of an adapter (special tool) connect a tachometer between the connectors of the ignition coil and the ignition distributor.
Normal speed x.x. should be at the level of 700±50/min.
Attention: If the speed x.x. out of range, adjust as described below.