P1506 Diagnostic Trouble Code Discussion for July 2017
Idle Air Control System RPM Higher Than Expected
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| Help Request | Posted | |
| 2001 Ford Ranger XL 2.5L MIL Lamp on, Hi idle VIN: 1FTYR10C31 P1506: Iac overspeed. Manual transmission idle in neutral is high when above 0mph. With ac off, neutral idle is 1500rpm +/-. With ac on, neutral idle is 2500rpm +/-. When coming to a stop idle will drop to 900rpm when vss reads 0mph. With iac disconnected neutral idle above 0mph an... |
July 26, 2017 |
