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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSFORD1994F 250 2WD PICKUP V8-351 5.8LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTESTING AND INSPECTIONPINPOINT TESTSX - CONSTANT CONTROL RELAY MODULE (CCRM)X95 - CHECK PCM ABILITY TO MONITOR FPM
1994 Ford F 250 2WD Pickup V8-351 5.8L
X95 - Check PCM Ability to Monitor FPM
1994 Ford F 250 2WD Pickup V8-351 5.8LSECTION X95 - Check PCM Ability to Monitor FPM
- Key "OFF".
- Reconnect Constant Control Relay Module (CCRM).
- Inertia Fuel Shutoff switch disconnected.
- Rerun Key On Engine Off (KOEO) Self-Test. Quick Test Appendix (Detailed Testing Instructions)
- Is KOEO Diagnostic Trouble Code (DTC) 542 present?
Yes -- Replace CCRM. Reconnect Inertia Fuel Shutoff switch. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)
No -- Replace Powertrain Control Module (PCM). Reconnect Inertia Fuel Shutoff switch. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.