LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 1989 >> Taurus SHO >> Repair and Diagnosis >> Engine Performance >> System >> 3.0L CEC Tests W/Codes >> Quick Test >> KOER Code/Test Menu
April 5, 2026: LEMON Manuals is launched! Read the announcement.

KOER Code/Test Menu

KOER SELF-TEST - CIRCUIT TEST & STEP MENU (3.0L)

Code No. Go To: Circuit Test No. (Step No.)
12 D5  (1)
13 D5  (13)
18 D13  (1)
21 B5  (1)
22 (MPFI) B6  (7)
22 (SHO/SEFI B6  (1)
23 B8  (1)
24 B2  (1)
26 (SHO/SEFI) B3  (1)
31 B10  (16)
34 B10  (19)
35 B10  (19)
41 C1  (10)
42 (MPFI) C1  (22)
42 (SHO/SEFI) C1  (1)
52 B15  (5)
56 (SHO/SEFI) B3  (10)
66 (SHO/SEFI) B3  (4)
72 (MPFI) B6  (10)
72 (SHO/SEFI) D23  (10)
73 B8  (10)
74 B14  (7)
77 D10  (1)
91 (SHO/SEFI) C1  (1)
92 (SHO/SEFI) C1  (1)
98 (1) N/A
(1) If Code 98 is displayed, go back and perform KEY ON/ENGINE OFF (KOEO) SELF-TEST and obtain a Code 11 for KEY ON/ENGINE OFF SELF-TEST portion QUICK TEST.