Mazda 6 Service Manual: No.9 abnormal shifting

No.8 does not shift to fourth gear (4gr)

No.10 frequent shifting

Other materials:

Mazda 6 Service Manual: Front/rear abs wheel-speed sensor inspection
Visual Inspection Remove the wheel and tire, and inspect the sensor for looseness and damage. Replace the sensor if necessary. Clearance Inspection Inspect the clearance between the wheel-speed sensor and the sensor rotor. Clearance 0.3-1.1 mm {0.012-0.043 in} Resistance Inspection ...

Mazda 6 Service Manual: Cell Phones
WARNING Please comply with the legal regulations concerning the use of communication equipment in vehicles in your country: Use of any electrical devices such as cell phones, computers, portable radios, vehicle navigation or other devices by the driver while the vehicle is moving is dangerous ...