Measure the resistance between the leads.
Rated value 13-16 ohm (at 20°C).
. Connect the injector connector.
Tightness and shape of the nozzle spray pattern - check
Relieve fuel pressure.
Remove the nozzle.
Connect the special tool to the nozzle.
To turn on the fuel pump, connect the wire from «+» battery terminals to service connector output (1) fuel pump.
Turn on the nozzle and check the quality of fuel atomization from the nozzle.
The condition of the nozzle is satisfactory if the nozzle gives a normal spray.
Disconnect the wires from the injector connectors and check the injector for leaks.
The norm is 1 drop or less for a minute.