Fuel Injector Resistance Test

Turn ignition off. Disconnect suspect fuel injector 2-pin harness connector. Using a DVOM, measure resistance across fuel injector terminals. See FUEL INJECTOR RESISTANCE table. If resistance is not within specification, replace fuel injector.

FUEL INJECTOR RESISTANCE

Application

⁽¹⁾ Ohms

2.7L Turbo (S4)

⁽²⁾ 13.5-15.5

4.2L

⁽²⁾ 13-16

⁽¹⁾	Measurement taken at room temperature (approximately 68°F).

⁽²⁾	Add 4-6 ohms if injector is at operating temperature.