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.
1987 Ford Tempo LX, 4D Sedan, 2.3 X, AutomaticFACTORY OEM SERVICE PROCEDURE
Code/Test Menu (KOER)
KEY ON/ENGINE RUNNING CIRCUIT TEST MENU
| Code No. | Go To: Circuit Test No. (Step No.) | ||||
|---|---|---|---|---|---|
| 12 | AA (23) | ||||
| 13 | AA (26) | ||||
| 16 | AA (26) | ||||
| 21 | G (1) | ||||
| 22 | H (7) | ||||
| 23 | AA (12) | ||||
| 24 | E (1) | ||||
| 31 | M (1) | ||||
| 32 | M (13) | ||||
| 33 | M (14) | ||||
| 34 | M (18) | ||||
| 35 | M (5) | ||||
| 41 | W (7) | ||||
| 42 | W (12) | ||||
| 52 | R (5) | ||||
| 55 | P (3) | ||||
| 58 | AA (5) | ||||
| 98 (1) | N/A | ||||
| 99 (2) | N/A | ||||
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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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