Code/Test Menu (KOER)

1985 Ford Bronco 5.8 G, Standard, TODSECTION Code/Test Menu (KOER)
WARNING: This page is about a different car, the 1986 Ford Aerostar. However, it is still accessible from the selected car via links, so may be relevant.
KEY ON/ENGINE RUNNING CIRCUIT TEST MENU

Code No. Go To: Circuit Test No. (Step No.)
12 Y (16)
13 Y (19)
16 Q (10)
21 F (1)
22 G (7)
23 I (1)
24 D (1)
25 H (1)
31 E (1)
32, 33, 34 E (8)
35 E (20)
41 Q (1)
42 Q (9)
72 G (9)
73 I (10)
74 O (1)
75 O (4)
77 EE (1)
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.