Mazda 6 Service Manual: No.16 judder upon torque converter clutch (tcc) operation

No.15 engine flares up or slips when accelerating vehicle

No.17 excessive shift shock from n to d or n to r position/range

Other materials:

Mazda 6 Service Manual: Throttle position (tp) sensor inspection
Note Perform the following inspection only when directed. Resistance Inspection 1. Perform the following test only when directed. If as specified but TP PID value is out of specification, inspect resistance of TP sensor. If not as specified, inspect the following: - Accelerato ...

Mazda 6 Service Manual: Foreword
When the customer reports a vehicle malfunction, check the malfunction indicator lamp (MIL) indication and diagnostic trouble code (DTC), then diagnose the malfunction according to following flowchart. - If a DTC exists, diagnose the applicable DTC inspection. (See DTC TABLE.) - ...