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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1071 (Engine Controls Diagnosis - 6.6L (Lb7) (DTCS P2142 To P2279)) >> Diagnosis >> DTC P2144 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

A low voltage condition on the control circuit of the EGR vacuum vent solenoid is detected by the ECM when the EGR vacuum vent solenoid is commanded OFF.

The above conditions are met for more than 4 seconds.

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