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.
1985 Merkur XR4Ti AutomaticFACTORY OEM SERVICE PROCEDURE
Control Circuit Continuity Test
- Using an ohmmeter, check for continuity between injector Tan wires and wires connected to pins 58 and 59 at ECA unit.
- If there's continuity, test is okay. Problem does not seem to be injectors. Check operation of ECA unit. If there's not continuity, repair open in ECA control circuit.
Factory Service Tools
Use the Manual With the Right Hardware
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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.