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Ford Historic (OBD I) Diagnostics
6
✓ The following actions do not apply to MECS vehicles.
❒ For a 7.3L Diesel, press the throttle until test is done.
❒ If applicable, set octane switch to premium.
✓ The Scan Tool prompt the user to:
❒ Work steering wheel
❒ Pump brake pedal & cycle overdrive (OD) cancel switch.
(Cycle overdrive only if a pushbutton is available.)
✓ Observe screen for the prompt to perform the next action.
❒ Quickly press and release the throttle. One time only!
4. When test completed.
•Turn ignition key off.
• Press
ENTER to continue.
✓ If no problems exist, Code 11 or
111 will be displayed.
5. View and write down
DTCs.
•Use
UP
or
DOWN
arrow
key to scroll to next DTC.
✓ ENG indicates that DTC is from the
engine or powertrain control
module.
6. Return to Diagnostic Codes Menu.
• Press
BACK.
Turn ignition
key off.
Press ENTER to cont.
Test Completed
1 of 1
ENG
Systen Pass Code.
No faults detected
during KOER test.
KOER
111
1 of 3
ENG
PFE/DPFE EGR sensor
below min. voltage.
KOER
326
