FixVault

Fuel Injector Circuit

Disconnect all injector harness connectors. Using digital ohmmeter, check resistance across terminals of each injector. See INDIVIDUAL INJECTOR RESISTANCE  table. Replace any injector not within specification.

INDIVIDUAL INJECTOR RESISTANCE (1)

Engine Ohms
4.0L 12-19
All Others 11-18
(1) Resistance values are for a single injector.
NOTE: For further component testing and information, see appropriate TESTS W/CODES article.