Fuel Injector Check

WARNING: This page is about a different variant/trim than selected.

Start engine and allow to idle. If engine will not start, crank engine for 10 seconds. Using a stethoscope, listen for clicking sound at each injector. If clicking sound is heard, fuel injector is operating. If clicking sound is not heard, go to step 8) of CIRCUIT TEST HD in appropriate article:

For Pickup, see TESTS W/CODES - 5.4L CNG.
For Van, see TESTS W/CODES - 5.4L CNG.

INDIVIDUAL INJECTOR RESISTANCE ⁽¹⁾

Engine

Ohms

Natural Gas Vehicles

4-6

⁽¹⁾	Resistance values are for a single injector.