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P1725 Diagnostic Trouble Code Discussion for April 2019

TCM NT Revolution Sensor Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1725
Help Request Posted
2008 Ford F-550 Super Duty XL 6.4L Poor Idle Quality VIN: 1FDAF56R88
P1725: Insufficent idle speed during self test. ... and idles very low around 400rpm for about 4 seconds, then it idles up to normal idle speed 650 rpm, it does that every start up, there is no other running concerns, it will run has good power and idle fine till key gets turned of. no check engine lit...
April 24, 2019