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.
1986 Mercury Lynx XR3FACTORY OEM SERVICE PROCEDURE
Continuous Memory Codes
- To ensure proper diagnosis of continuous memory codes, PREPARATION , EQUIPMENT HOOK-UP , KEY ON/ENGINE OFF (KOEO) SELF-TEST , TIMING CHECK , and KEY ON/ENGINE RUNNING (KOER) SELF-TEST must be successfully completed. If both KOEO and KOER SELF-TEST display code 11 (Pass), go to CLEARING CONTINUOUS MEMORY CODES.
- If not, return to PREPARATION step and make the necessary repairs indicated in KOEO and KOER SELF-TEST before going to CLEARING CONTINUOUS MEMORY CODES.
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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