Canister Purge - Circuit Diagnosis: Overview

87chevy17

Number: 87-222

Section: 6E

Date: September, 1987
Subject: ECM CONTROLLED CANISTER PURGE CIRCUIT
DIAGNOSIS-SECTION 6E1


Model and Year: 1987 CAPRICE CLASSIC, MONTE CARLO, EL CAMINO, CAMARO MODELS EQUIPPED WITH A 5.0L (VIN H), 5.0L (VIN G) OR 5.7L (VIN 6) CARBURETED ENGINE
TO: ALL CHEVROLET DEALERS


The 1987 subject carbureted engines are equipped with an ECM controlled solenoid that allows vacuum to purge the canister when energized.

Use the information provided with this bulletin for any necessary service needed to functionally check the canister purge system.