Mazda 6 Service Manual: No.12 lack/loss of power-acceleration/cruise
Diagnostic procedure
No.11 engine stalls/quits, engine runs rough, misses, buck/jerk,
hesitation/stumble, surges
Diagnostic procedure
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No.13 knocking/pinging-acceleration/cruise
Diagnostic procedure
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Other materials:
Mazda 6 Service Manual: Clutch switch inspection
Note
Perform the following inspection only when directed.
Continuity Inspection
1. Verify that the clutch switch is installed properly.
2. Disconnect the negative battery cable.
3. Remove the clutch switch.
4. Inspect for continuity between the clutch switch terminals using an
ohmmeter. ...
Mazda 6 Service Manual: Variable air duct (vad) control solenoid valve inspection (l3)
1. Remove the VAD control solenoid valve. (See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION.)
2. Inspect airflow between the ports under the following conditions.
If not as specified, replace the VAD control solenoid valve.
If as specified, carry out the Circuit Open/Short Inspection.
Circ ...