Just above the brake pedal
No.
None. A Diesel Oxidation Catalyst and a catalytic converter (as used on gas engines) are extremely different, as is their construction.
Fouled, damaged injectors or incorrect timing on fuel injector pump
The port for the On Board Diagnostic (OBD) computer is about 6 inches below the parking brake release on the driver's left. It is behind a panel marked OBD-DCS.
Rectangular connector under the driver side of the dash, could be blue or black. It will have 6 or 8 wires in it.
Try this site: http://www.troublecodes.net/mazda/ I'm a retired ASE Master/L-1 Technician. I still keep current with the latest automotive technology.
A Mazda 6 s requires 6 plugs, A Mazda 6 i requires 4
COOLANT sensor on mazda 6 where is it
What are 2006 Mazda 6 transmission problems.
Mazda 6
on mine (2010 '6) I have 2.2 on all 4 - normal load 2.4 front and 3.0 at the back on full load. (Mazda6 2L Turbo Diesel Combi (Break))
You can visit the Mazda website at www.mazdausa.com to find information on the Mazda 6. You can also visit Edmunds.com to get consumer reviews and other information on the Mazda 6.