Fuel Injector Check
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 1999 Mercury Tracer, 1999 Mercury Sable, 1999 Mercury Mystique, 1999 Mercury Grand Marquis, and 1999 Mercury Cougar. However, it is still accessible from the selected car via links, so may be relevant.
Ensure engine mechanical condition is okay. Ensure no vacuum leaks exist and ignition system is operating properly. 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 TEST HD in SELF-DIAGNOSTICS - EEC-V article.
INDIVIDUAL INJECTOR RESISTANCE(1)
| Engine | Ohms | ||
|---|---|---|---|
| Natural Gas Models | 4-6 | ||
| All Other Models | 11-18 | ||
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