ENGINE AND EMISSION CONTROL SYSTEM (SFI FOR G13) 6E2-23
FUEL INJECTOR
On-Vehicle Inspection
1) Using sound scope (1) or such, check operating sound of injec-
tor (2) when engine is running or cranking.
Cycle of operating sound should vary according to engine
speed.
If no sound or an unusual sound is heard, check injector circuit
(wire or coupler) or injector (2).
2) Disconnect coupler (1) from injector, connect ohmmeter be-
tween terminals of injector and check resistance.
Resistance of injector: 12.0 – 13.0 Ω at 20_C, 68_F
If resistance is out of specification, replace.
3) Connect coupler (1) to injector securely.
Removal
1) Relieve fuel pressure according to procedure described in Sec-
tion 6.
2) Disconnect battery negative cable at battery.
3) Disconnect fuel injector couplers.
4) Disconnect vacuum hose from fuel pressure regulator (1).
5) Remove fuel delivery pipe bolts (2).
6) Remove fuel injector(s) (3).
CAUTION:
A small amount of fuel may come out after removal of fuel
injectors, cover them with shop cloth.
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