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Ford
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1997
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E 250 3/4 Ton Van V8-5.4L CNG VIN M
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Ignition Timing
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Adjustments
Ignition Timing: Adjustments
Electronic Ignition
(EI)
engine timing is entirely controlled by the PCM and is NOT adjustable.