Evaporative Emission Control (Eec) System Inspection - Mazda 626 MX-6 Workshop Manual

System Inspection
2. If there is a poor connection, clog, or leak, repair
3. Warm up the engine and run it at idle.
4. Disconnect vacuum hose A from No. 1 purge con­
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6. If not correct, check the water thermo valve.
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10. Reconnect hose B to the canister.
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11. Disconnect vacuum hose C from the canister and
12. Check that vacuum is felt.
13. If not correct, check the vacuum line between the
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1. Check the vacuum hose routing.
or replace as necessary.
trol valve and connect the SST to the hose.
5. Increase the engine speed to above 2,500 rpm
and verify that the gauge shows more than 150
mmHg (5.9 inHg).
7. Reconnect hose A to No. 1 purge control valve.
8. Disconnect vacuum hose B from the canister and
place a finger over the end of the hose.
9. Accelerate the engine rapidly and check that vacu­
um is felt at above 1,500 rpm
place a finger over the end of the hose.
canister and the dynamic chamber for clogging.
4A
EEC SYSTEM
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4A—75