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Home › Hummer › 2009 › H3 Base, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 3.7L - DTC P0324 To DTC P0446 › DTC P0506 or P0507 › DTC Descriptors

DTC Descriptors

DTC P0506

Idle Speed Low

DTC P0507

Idle Speed High

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