Fuel Injector Circuit
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 1993 Mercury Tracer, 1993 Mercury Topaz, 1993 Mercury Sable, 1993 Mercury Grand Marquis, and 1993 Mercury Cougar. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect injector harness connectors. Using digital ohmmeter, check connector terminal resistance of each injector. Individual injector resistance should be 13-16 ohms on all models. On non-sequential PFI engines, disconnect injector bank harness connector. Check resistance of injector bank. See INJECTOR BANK RESISTANCE table. Repair wiring or any injector not within specification.
INJECTOR BANK RESISTANCE (1)
| Engine | Ohms | ||
|---|---|---|---|
| 2.3L | 6.0-8.5 | ||
| 3.0L | 4.0-5.5 | ||
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