300CE (124.050) L6-3.0L (103.983) (1989)
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Canister Purge Control Valve: Testing and Inspection
Fig. 48 Purge Valve
NOTE: Test should be conducted with engine at normal operating temperature.
1.
Detach the vacuum line at the right angled port (A) of the purge valve and connect a vacuum gauge.
2.
Start the engine and slowly increase engine speed to 3000 RPM and observe the vacuum gauge.
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No vacuum should be present at idle.
^
Vacuum should commence as engine speed increases. If not test the thermovalve and vacuum lines for leaks or restrictions.
