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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Control System & Fuel System - 6.6L (LLY) - DTC P0401 To DTC P2510) >> DTC P0506 or P0507 >> Conditions for Setting

Conditions for Setting

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P0506 

The ECM detects the actual idle speed is at least 100 RPM below the desired idle speed for more than 19 seconds.

P0507 

The ECM detects the actual idle speed is at least 200 RPM above the desired idle speed for more than 19 seconds.