Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY1991TRACER BASE, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 53 (ENGINE CONTROLS - BASIC DIAGNOSTIC PROCEDURES)FUEL SYSTEMFUEL INJECTORSFUEL INJECTOR RESISTANCE
1991 Mercury Tracer Base, 4D Sedan, Automatic
Fuel Injector Resistance
1991 Mercury Tracer Base, 4D Sedan, AutomaticSECTION Fuel Injector Resistance
WARNING: This page is about a different car, the 1994 Mercury Tracer, 1994 Mercury Topaz, 1994 Ford Tempo, 1994 Ford Probe, and 1994 Ford Escort. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect injector harness connectors. Using digital ohmmeter, measure resistance between injector terminals. If resistance is not 11-19 ohms, replace injector.
NOTE:
For additional testing and information, proceed to FUEL SYSTEM in appropriate SYSTEM/COMPONENT TESTS
article below in this section.
- I - SYSTEM/COMPONENT TESTS - EEC (1.8L) (for Escort & Tracer)
- I - SYSTEM/COMPONENT TESTS - EEC-IV (1.9L) (for Escort & Tracer)
- I - SYSTEM/COMPONENT TESTS - EEC-IV (2.0L) (for Probe)
- I - SYSTEM/COMPONENT TESTS - EEC-IV (2.3L) (for Tempo & Topaz)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.