GM Service Manual Online
For 1990-2009 cars only

Evaporative Emission Canister Purge Solenoid Replacement for Chevrolet Chevy C Pickup - 2WD (CNG) 1997

Remove the gas mass sensor/mixture control valve and bracket before removing the EVAP canister purge solenoid. Refer to Gas Mass Sensor/Mixture Control Valve and Mounting Bracket Replacement .