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Fuel Injector Circuit

Disconnect injector harness connectors. Using digital ohmmeter, check connector terminal resistance of each injector. See INDIVIDUAL INJECTOR RESISTANCE . On non-sequential PFI engines, disconnect injector bank harness connector. Check resistance of injector bank. See INJECTOR BANK RESISTANCE . Repair wiring or any injector not within specification.

INDIVIDUAL INJECTOR RESISTANCE (1)

Engine Ohms
All Models 13-16
(1) Resistance values are for a single injector.
INJECTOR BANK RESISTANCE (1)

Engine Ohms
2.3L 6.0-8.5
3.0L 4.0-5.5
5.0L 0.5-3.0
(1) Resistance values are for non-sequential PFI engines only.
NOTE: For additional testing and information, see FUEL SYSTEM in I - SYS/COMP TESTS article in the ENGINE PERFORMANCE Section.
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