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 MANUALSFORD1993TEMPO LX, 2.3 X, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - SYSTEM/COMPONENT TESTS - EEC-IVIGNITION SYSTEMEI SYSTEM (LOW DATA RATE) (MUSTANG 2.3L)NOTES
1993 Ford Tempo LX, 2.3 X, Standard
EI System (Low Data Rate) (Mustang 2.3L): Notes
1993 Ford Tempo LX, 2.3 X, StandardSECTION Notes
NOTE:
Start all diagnostics with QUICK TEST. See G - EEC-IV TESTS W/CODES article in the ENGINE PERFORMANCE Section. These tests are dependent on results and service codes received during QUICK TEST. DO NOT connect PCM to EI diagnostic cable. If PCM is connected to EI diagnostic cable, PCM may be damaged. PCM 60-pin harness connector may be connected to an additional breakout box only.
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.