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P1506 Diagnostic Trouble Code Discussion for January 2012

Idle Air Control System RPM Higher Than Expected

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Trouble Ticket Help Requests for DTC P1506
Help Request Posted
1997 Ford Ranger Splash 2.3L Poor Idle Quality VIN: 1FTCR10A0V
P1506: iac overspeed. intermittent high idle. replaced iac. checked iac circuits. looked for vacuum leaks with carb clean. none found. cleaned throttle body. intermittently has high idle while driving and being a stick shift it feels like cruise control at times. thanks for your he...
January 11, 2012