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 MANUALSFORD1987ECONOLINE E150, VAN WINDOW, 5.0 NREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMCEC DIAGNOSING & TESTINGQUICK TESTCODE/TEST MENU (KOER)
1987 Ford Econoline E150, Van Window, 5.0 N
Code/Test Menu (KOER)
1987 Ford Econoline E150, Van Window, 5.0 NSECTION Code/Test Menu (KOER)
KEY ON/ENGINE RUNNING CIRCUIT TEST MENU
| Code No. | Go To: Circuit Test No. (Step No.) |
|---|---|
| 12 | X (1) |
| 13 (2.3L EFI) | X (12) |
| 13 (All Others) | X (11) |
| 16 | X (1) |
| 21 | F (1) |
| 22 | G (7) |
| 23 | I (1) |
| 24 | D (1) |
| 31 (2.3L EFI) | E (1) |
| 31 (2.9L EFI) | J (16) |
| 31 (4.9L EFI & 5.0L EFI) | L (1) |
| 32 (2.3L EFI) | E (8) |
| 32 (2.9L EFI) | J (15) |
| 32 (4.9L EFI & 5.0L EFI) | L (13) |
| 33 (2.3L EFI) | E (8) |
| 33 (2.9L EFI) | J (20) |
| 33 (4.9L EFI & 5.0L EFI) | L (14) |
| 34 (2.3L EFI) | E (8) |
| 34 (2.9L EFI) | J (19) |
| 34 (4.9L EFI & 5.0L EFI) | L (18) |
| 35 (2.3L EFI) | E (19) |
| 35 (2.9L EFI) | J (19) |
| 35 (4.9L EFI & 5.0L EFI) | L (5) |
| 41 (2.3L EFI) | R (14) |
| 41 (All Others) | S (14) |
| 42 (2.3L EFI) | R (8) |
| 42 (2.9L EFI, 3.0L EFI & 4.9L EFI) | S (8) |
| 42 (5.0L EFI) | Q (8) |
| 44 (4.9L EFI & 5.0L EFI) | V (1) |
| 45 (4.9L EFI & 5.0L EFI) | V (1) |
| 46 (4.9L EFI & 5.0L EFI) | V (1) |
| 72 | G (10) |
| 73 | I (10) |
| 74 (Except 4.9L EFI & 5.0L EFI) | O (1) |
| 75 (Except 4.9L EFI & 5.0L EFI) | 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:
- • 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.