Mazda 6 Service Manual: No.11 engine stalls/quits, engine runs rough, misses, buck/jerk, hesitation/stumble, surges
Diagnostic procedure
No.10 low idle/stalls during deceleration
Diagnostic procedure
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No.12 lack/loss of power-acceleration/cruise
Diagnostic procedure
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Other materials:
Mazda 6 Service Manual: Cruise control switch inspection
1. Disconnect the negative battery cable.
2. Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE
REMOVAL/INSTALLATION.)
3. Disconnect the cruise control switch connector.
4. Inspect for resistance and continuity between the cruise control switch
terminals using an ohmmeter. ...
Mazda 6 Service Manual: Drive belt auto tensioner inspection
1. Remove the drive belt. (See DRIVE BELT REPLACEMENT.)
2. Verify that the drive belt auto tensioner moves smoothly in the
operational direction.
Replace the drive belt auto tensioner if necessary.
3. Turn the drive belt auto tensioner pulley by hand and verify that it
rotates smoothly ...