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Ford
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1997
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F 250 4WD LD Pickup V8-281 4.6L VIN W EFI
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Repair and Diagnosis
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Maintenance
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Tune-up and Engine Performance Checks
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Ignition Timing
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Testing and Inspection
Ignition Timing: Testing and Inspection
NOTE:
Electronic Ignition
(EI)
engine timing is entirely controlled by the PCM.
-
EI
ignition timing
is NOT adjustable.
-
Do NOT attempt to to check base timing. You will receive false readings.