Fuel Injector Resistance
Disconnect injector harness connectors. Using digital ohmmeter, measure resistance between injector terminals. See INDIVIDUAL INJECTOR RESISTANCE table. Replace any injector not within specification.
INDIVIDUAL INJECTOR RESISTANCE
| Engine | Ohms |
|---|---|
| Blackwood, Econoline, Expedition & Pickup 4.6L, & Econoline, Excursion, Expedition, F150 Lightning SC, Navigator & Pickup 5.4L (Except NGV) | 13.8-15.2 |
| Econoline & Pickup 5.4L (NGV) | 4-6 |
| Econoline, Pickup & Excursion 6.8L, & Explorer, Explorer Sport, Explorer Sport Trac, Mountaineer & Ranger 4.0L SOHC & Flex-Fuel | 11-18 |
| All Others | 11.4-12.6 |