Fuel Injectors

WARNING: This page is about a different car, the 2003 Dodge Durango. However, it is still accessible from the selected car via links, so may be relevant.

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 to ensure system is functioning properly.

On 4.7L, see POWERTRAIN VERIFICATION TEST VER-1 under VERIFICATION TESTS in SELF-DIAGNOSTICS - DURANGO - 4.7L article.
On 5.9L, see POWERTRAIN VERIFICATION TEST VER-1 under VERIFICATION TESTS in SELF-DIAGNOSTICS - DURANGO - 5.9L article.