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.
Symptom Checks
Check the following items:
- Check secondary ignition system. See CIRCUIT TEST JB in appropriate article:
For Contour & Mystique 2.0L, see TESTS W/CODES - 2.0L .
For Contour & Mystique 2.5L, see TESTS W/CODES - 2.5L .
For Windstar, see TESTS W/CODES .
- Check fuel delivery system. See CIRCUIT TEST HC in appropriate article:
For Contour & Mystique 2.0L, see TESTS W/CODES - 2.0L .
For Contour & Mystique 2.5L, see TESTS W/CODES - 2.5L .
For Windstar, see TESTS W/CODES .
- Check exhaust system for restriction. See CIRCUIT TEST HF in appropriate article:
For Contour & Mystique 2.0L, see TESTS W/CODES - 2.0L .
For Contour & Mystique 2.5L, see TESTS W/CODES - 2.5L .
For Windstar, see TESTS W/CODES .
If no problems are indicated, return to SYMPTOM DIAGNOSIS to identify any additional symptoms or go to CIRCUIT TEST Z in appropriate TESTS W/CODES article and check for intermittent faults.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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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