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Home >> GMC >> 1998 >> C3500 HD 7.4 J, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 7.4L >> Diagnostic Trouble Codes >> DTC P0507 - Idle Control System High Rpm >> Notes
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DTC P0507 - Idle Control System High Rpm: Notes

NOTE: For circuit reference, see WIRING DIAGRAMS - 7.4L article.