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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 (Engine Controls - Removal, Overhaul & Installation - Except Diesel) >> Emission Systems & Sub-Systems >> EVAP System Cleaning >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition off. Remove EVAP canister purge solenoid. See EVAP CANISTER PURGE SOLENOID . Lightly tap the EVAP canister purge solenoid on a clean, hard surface. Inspect for carbon particles exiting either of the vacuum ports. If no carbon particles are found, reinstall EVAP canister purge solenoid and perform CLEANING PROCEDURE .
  2. If carbon particles are found during the inspection procedure, replace EVAP canister purge solenoid and perform CLEANING PROCEDURE . If you were instructed to replace the EVAP canister purge solenoid, and no carbon particles are found, return to the EVAP diagnostic procedure. DO NOT perform the CLEANING PROCEDURE .
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