Fuel Injectors

Disconnect fuel injector harness connector. Connect an ohmmeter between fuel injector terminals. Resistance should be about 10.8-13.2 ohms at 68°F (20°C). If resistance is not as specified, replace fuel injector. Perform the following VERIFICATION TEST.

• On 3.9L and 5.9L, perform POWERTRAIN VERIFICATION TEST VER-1 under VERIFICATION TESTS in SELF-DIAGNOSTICS - DAKOTA - 3.9L & 5.9L article.
• On 4.7L, perform POWERTRAIN VERIFICATION TEST VER-1 under VERIFICATION TESTS in SELF-DIAGNOSTICS - DAKOTA - 4.7L article.

If resistance is as specified, perform appropriate fuel injector diagnostic test. See the following:

• On 3.9L and 5.9L, see DIAGNOSTIC TROUBLE CODE DEFINITIONS in SELF-DIAGNOSTICS - DAKOTA - 3.9L & 5.9L article.
• On 4.7L, see DIAGNOSTIC TROUBLE CODE DEFINITIONS in SELF-DIAGNOSTICS - DAKOTA - 4.7L article.