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.
1991 Mercury Capri XR2FACTORY OEM SERVICE PROCEDURE
Fuel Injectors
- Using stethoscope, listen for normal clicking sound at each injector during idle and acceleration. If clicking sound is not heard, remove electrical connector from injector.
- Using ohmmeter, measure resistance between injector terminals. See FUEL INJECTOR RESISTANCE table. Replace injector if resistance is not within specifications. If injector resistance is okay, check for 12 volts at each injector connector. Repair or replace connector as necessary.
FUEL INJECTOR RESISTANCE
| Application | Ohms |
|---|---|
| 1.3L & 1.6L | 12-16 |
Factory Service Tools
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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.
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