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P1506 Diagnostic Trouble Code Discussion for July 2012

Idle Air Control System RPM Higher Than Expected

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Trouble Ticket Help Requests for DTC P1506
Help Request Posted
2001 Ford Taurus SE 3.0L Poor Idle Quality VIN: 1FAFP53U81
P1506: idle air control overspeed error. ... high at [...] for extended period when started warm. After 20 seconds, idle goes down to 700rpm. Same thing when you rev it in park, idles high then slowly lowers. What i've done; Checked code p1506 pending, not hard and someone has cleared freeze frame. ...
July 27, 2012