Fuel Injector Circuit
Disconnect all injector harness connectors. Using digital ohmmeter, check resistance across terminals of each injector. See INDIVIDUAL INJECTOR RESISTANCE table. Disconnect injector bank harness connector, and check resistance of injector bank. See INJECTOR BANK RESISTANCE table. 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 | ||
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INJECTOR BANK RESISTANCE
| Engine | Ohms |
|---|---|
| 2.3L | 7.0-9.5 |
| 2.9L, 3.0L & 4.9L | 5.0-6.5 |
| 4.0L | 4.0-5.5 |
| 5.0L, 5.8L & 7.5L | 3.0-4.0 |
NOTE:
For further component testing and information, see TESTS W/CODES article.