Suzuki 2006 SX4, Service Manual

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1B-1 Aux. Emission Control Devices:
Engine
Aux. Emission Control Devices
Diagnostic Information and Procedures
EVAP Canister Purge System Inspection
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1) Warm up engine to normal operating temperature.
2) Hoist vehicle so that all wheels rotate freely.
3) Set M/T in “Neutral” or A/T in “P” position and parking brake.
4) Disconnect purge hose (1) from purge valve chamber.
5) Place finger against the end of disconnected purge hose (1) and check that vacuum is not felt there when engine
is running at idle speed.
6) Release parking brake lever, set M/T in “1st” or A/T in “L”.
7) Also check that vacuum is felt when engine speed is increased to higher than about 1,500 r/min. and keep it for 3
min. or more. If check result is not described in Steps 5) and 7), check EVAP canister purge valve, wire harness
and vacuum passage.
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