Code/Test Menu (KOER)

1987 Ford Tempo GL, 4D Sedan, 2.3 X, AutomaticSECTION 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
(1) If Code 98 is displayed, go back and perform KOEO SELF-TEST and obtain a Code 11 for KOEO SELF TEST portion of the QUICK TEST  .
(2) Idle Speed Control has not "learned" yet. Repeat QUICK TEST  .
RENDER: 1.0x

NO RELATED

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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.