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P1662 Diagnostic Trouble Code Discussion for April 2007

Cruise Control Inhibit Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1662
Help Request Posted
1999 Ford F-350 Super Duty Lariat 7.3L No Start VIN: 1FTWW33F4X
P1662: EF Feedback Signal Not Detected. does not crank or start unless i send power to pcm relay and jump the ign solinoid and wont communicat with pcm without power to relay
April 30, 2007