Fuel system elements
1 - bottom washer;
2 - nozzle;
3 - bushing;
4 - gasket;
5 - high pressure hose;
6 - air intake hose;
7 - throttle position sensor;
8 - throttle body;
9, 10 - cooling system hoses;
11 - accelerator pedal cable;
12 - hose of the waste lawn recirculation system;
13 - fuel return hose;
14 - vacuum hose;
15 - fuel pressure regulator.
Disconnect the connector from the injector.
Measure the resistance between the leads.
Rated value 13-16 ohm (at 20°C).
Connect the injector connector.
Nozzle tightness and 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 normal atomization.
Disconnect the wires from the injector connectors and check the injector for leaks.
Norm: 1 drop or less for a minute.