Evaporative Emission Control System; Pcv System - Suzuki 2000 Grand Vitara SQ625 Service Manual

6E2-46 ENGINE AND EMISSION CONTROL SYSTEM (H25 ENGINE)

EVAPORATIVE EMISSION CONTROL SYSTEM

EVAP Canister Purge Inspection
1) Warm up engine to normal operating temperature and keep id-
ling 5 min. or more.
2) Disconnect purge hose from EVAP canister when engine is run-
ning at idle speed.
3) Place finger against the end of disconnected hose and check
that vacuum is not felt but vibration is felt there when engine is
running at idle speed.
4) Also check that vacuum is felt when engine speed is increased
to higher than about 2,000 r/min.
If check result is not satisfactory, check vacuum passage,
hoses, EVAP canister purge valve, wire harness and ECM
(PCM).
1. Purge hose
EVAP Canister Purge Valve Inspection
EVAP Canister Inspection
Tank Pressure Control Valve Inspection
Refer to Section 6E1.

PCV SYSTEM

NOTE:
Be sure to check that there is no obstruction in PCV valve or
its hoses (1) before checking engine idle speed/IAC duty for
obstructed PCV valve or hose hampers its accurate checking.
PCV HOSE
Check hoses for connection, leakage, clog, and deterioration.
Replace as necessary.