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Home >> Hummer >> 2008 >> H3 Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.7L - DTC P0366 To DTC P2444 >> DTC P0506 or P0507 >> DTC Descriptors

July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC Descriptors

DTC P0506: Idle Speed Low
DTC P0507: Idle Speed High

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