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P1506 Diagnostic Trouble Code Discussion for January 2008

Idle Air Control System RPM Higher Than Expected

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Trouble Ticket Help Requests for DTC P1506
Help Request Posted
1999 Mercury Tracer GS 2.0L MIL Lamp on VIN: 1MEFM10PXX
P1506: idle speed error. ... Pulled codes and found p1506 stored. Conducted testing per Alldata No vacuum leaks found NO leaks in induction system Tested evap vmv will hold vacuum on valve next step was to disconnect Iac while running idle speed did not change. replaced valve with new...
January 06, 2008