Mazda 6 Service Manual: No.19 excessive shift shock on torque converter clutch (tcc)

No.18 excessive shift shock is felt when upshifting and downshifting

No.20 noise occurs at idle when vehicle is stopped in all positions/ranges

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Mazda 6 Service Manual: To Temporarily Cancel
To temporarily cancel the system, use one of these methods: Slightly depress the brake pedal. (Manual transaxle) Depress the clutch pedal. Press the OFF/CANCEL switch. If the RESUME/ switch is pressed when the vehicle speed is 25 km/h (16 mph) or higher, the system reverts to the prev ...

Mazda 6 Service Manual: Fuel injector inspection
Operation Test Carry out the Fuel Injector Operation Inspection. (See Fuel Injector Operation Inspection.) If not as specified, perform the further inspection for the fuel injectors. Resistance Inspection Note Perform the following test only when directed. 1. Turn the ignition s ...