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P1631 Diagnostic Trouble Code Discussion for May 2006

Theft Deterrent - Start Enable Signal Not Correct

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Trouble Ticket Help Requests for DTC P1631
Help Request Posted
2001 Chevrolet Silverado 1500 5.3L No Start VIN: 2GCEC19T61
P1631: Theft Deterrent Fuel Enable Signal Not Correct. ... over no start has only got it to do this one time the very frist time it was here it would not start i gave it some gas and it started up so i put a iac on it came back a week later tested more and found low fuel pressure and bad wave form so i put a fuel ...
May 15, 2006