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 MANUALSMERCURY1993SABLE GS, 4D SEDAN, 3.0 U, AXODEREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - TESTS W/O CODES - EEC-IVSYMPTOMSHIGH IDLE (DIESELS/RUNS ON)NOTES
1993 Mercury Sable GS, 4D Sedan, 3.0 U, AXODE
High Idle (Diesels/Runs On): Notes
1993 Mercury Sable GS, 4D Sedan, 3.0 U, AXODESECTION Notes
NOTE:
If engine runs on (diesels) after ignition is turned off, check for faulty ignition switch or short to power in IGN RUN circuit. If engine is overheating, go to ENGINE RUNS HOT symptom. If engine runs cold, go to ENGINE RUNS COLD symptom.
RENDER: 1.0x
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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.