Mazda 6 Oxygen Sensor Replace/Remove

I Replaced The O2 Sensors, But Cannot Clear The Error Codes In The Ecu. I Tried 'clear Codes' Using A Diagnostic Tool And I Tried...

The Car Vibrates All Over At Idle When I Am At Stop In A Traffic With The Gear In Drive Or Reverse. It Is More When The Air-conditioner Is...

I Had Problem With Car Cutting Out At Idle Thought Too Be Clogged Fuel Filter Which Was Replaced (confused As Replaced Separately Yet Seen A...