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 MANUALSFORD1985MUSTANG LX, 2D HATCHBACK, 5.0 FREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEM5.0L CFI TESTSTESTINGCODE/TEST MENU (CONTINUOUS)
1985 Ford Mustang LX, 2D Hatchback, 5.0 F
Code/Test Menu (Continuous)
1985 Ford Mustang LX, 2D Hatchback, 5.0 FSECTION Code/Test Menu (Continuous)
CONTINUOUS TEST RESULTS
| Code | Proceed to Test | ||
|---|---|---|---|
| 11 | (1) Diagnosis By Symptom | ||
| 14 | TEST OO | ||
| 18 | TEST LL | ||
| 21 | TEST G , Step 9) | ||
| 22 | TEST H , Step 13) | ||
| 31 | TEST F , Step 22) | ||
| 41 | TEST S , Step 13) | ||
| 42 | TEST S , Step 13) | ||
| 51 | TEST G , Step 10) | ||
| 53 | TEST J , Step 11) | ||
| 54 | TEST E , Step 10) | ||
| 55 | TEST N , Step 5) | ||
| 61 | TEST G , Step 10) | ||
| 63 | TEST J , Step 11) | ||
| 64 | TEST E , Step 10) | ||
| 65 | TEST N | ||
|
|||
NOTE:
If engine will not start, go to TEST A. If engine stalls while testing, go to Diagnosis By Symptom Test.
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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.