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P1506 Diagnostic Trouble Code Discussion for January 2010

Idle Air Control System RPM Higher Than Expected


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Trouble Ticket Help Requests for DTC P1506
Help Request Posted
1999 Ford Ranger XLT 2.5L MIL Lamp on VIN: 1FTYR10C3X
P1506: iac over speed error. this ranger came in with a very bad exhaust leak and 3 codes 1506,1400, and 0401. fixed exhaust cleared code and got only code 1506. replaced iac and still get code 1506. truck seems to idle high but no other driveability problems. not sure where to go next.
January 11, 2010
1999 Ford Ranger XLT 2.5L MIL Lamp on VIN: 1FTYR10C3X
P1506: iac over speed error. this ranger came in with a very bad exhaust leak and 3 codes 1506,1400, and 0401. fixed exhaust cleared code and got only code 1506. replaced iac and still get code 1506. truck seems to idle high but no other driveability problems. not sure where to go next.
January 11, 2010