Fuel Injector Circuit

Disconnect all injector harness connectors. Using digital ohmmeter, check resistance across terminals of each injector. See INDIVIDUAL INJECTOR RESISTANCE . Disconnect injector bank harness connector, and check resistance of injector bank. See INJECTOR BANK RESISTANCE . Repair injector bank or any injector not within specifications.

INDIVIDUAL INJECTOR RESISTANCE ⁽¹⁾

Engine

Ohms

2.3L & 3.0L

15-18

All Others

13-16

⁽¹⁾	Resistance values are for a single injector.

INJECTOR BANK RESISTANCE

Engine	Ohms
2.3L	7.0-9.5
2.9L, 3.0L & 4.9L	5.0-6.5
5.0L, 5.8L & 7.5L	3.0-4.0

NOTE: For further component testing and information, see appropriate TESTS W/CODES article in the ENGINE PERFORMANCE Section.