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 MANUALSMERCURY2000MYSTIQUE GS, 2.0 3, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - SELF-DIAGNOSTICS - EEC-V (BI-FUEL)DIAGNOSTIC TROUBLE CODE REFERENCE CHART
2000 Mercury Mystique GS, 2.0 3, Automatic
Diagnostic Trouble Code Reference Chart
2000 Mercury Mystique GS, 2.0 3, AutomaticSECTION Diagnostic Trouble Code Reference Chart
NOTE:
Prior to performing any system test, see HOW TO USE SYSTEM TESTS under SYSTEM TESTS. On some models, PCM is capable of storing some body DTCs. If any "B" DTCs are retrieved (example DTC B1213), see appropriate MODULE COMMUNICATIONS NETWORK article in ACCESSORIES & EQUIPMENT to determine test to perform.
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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.