Mazda MX-3 silhouetteMX-3

EVAPORATIVE EMISSION CONTROL SYSTEM

F2-129prose procedure
Continued from F2-128

CHARCOAL CANISTER

Inspection

  1. 1
    Remove the charcoal canister.
    Drawing of the charcoal canister (cylindrical canister with ports on top and an outlet at the bottom).
  2. 2
    Visually check the charcoal canister for damage or crack.
  3. 3
    Blow through each port and check that air flows.

TWO-WAY CHECK VALVE

Inspection

  1. 1
    Remove the valve.
    Drawing of the two-way check valve with ports A (left) and B (right) and an arrow labelled INSTALLATION DIRECTION pointing into the valve.
  2. 2
    Check the operation of the valve by using a vacuum pump.
  3. 3
    If not as specified, replace the two-way check valve.

Two-way check valve operation

Apply approx. 2.0kPa {1.5 mmHg, 0.6 in Hg} vacuum at port A
ResultAirflow
Apply approx. 5.9kPa {4.4 mmHg, 1.7 in Hg} vacuum at port B
ResultAirflow

CHECK-AND-CUT VALVE

Inspection

  1. 1
    Remove the valve and plug port C.
    Drawing of the check-and-cut valve mounted on its bracket, with ports labelled A (right), B (left, with airflow arrow), and C (bottom).
  2. 2
    Check operation of the valve by using a vacuum pump.

Check-and-cut valve operation

Apply approx. 1.0-4.90 kPa {7.4-36.7 mmHg, 0.3-1.44 in Hg} vacuum at port A
ResultAirflow
Apply approx. 6.4-8.3 kPa {48-62 mmHg, 1.9-2.4 in Hg} vacuum at port B
ResultAirflow

SEPARATOR

Inspection

  1. 1
    Remove the left side trim.
    Interior view showing the separator location behind the left side trim, near the suspension tower / coil spring.
  2. 2
    Remove the separator.
  3. 3
    Visually check the separator for damage. Replace it if necessary.
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