97 mazda 626 check engine light

my 97 626 lx 4cl. auto. has a check engine light on the report from autozone says its correcting for a rich running condition when it occasionally turns off i get about 22-25mpg but when its on ive gotten as low as 13mpg when it was real cold to 19mpg which it normally gets 18-19 when the lights on please give any ideas how to fix this perminatly

Dear friends

I can do only one thing for you,
you can down load very rear workshop manuals (If you going to by these manual you hac=ve to pay more)
and after that you can try to solve your problem yourself.

download link is: http://rapidshare.com/files/75118807/electrical_manual_mazda_626_MX6.rar

                  http://rapidshare.com/files/75126446/service_manual_mazda_626.rar

          http://rapidshare.com/files/75073567/diagnostic_codes_mazda_89-00.rar

          http://rapidshare.com/files/75078773/service_manula_mazda_Z5_DOHC_engineoverhaul.pdf

          http://rapidshare.com/files/75087846/electric_schemes_mazda323.rar

          http://rapidshare.com/files/75087899/Workshop_Manual_mazda__Protege_2002.rar

          http://rapidshare.com/files/75126441/mazda_Millenia_wiring_diagrams.rar

          http://rapidshare.com/files/75126442/Mazda_Familia_owners_manual.rar

          http://rapidshare.com/files/75126444/Service_manual_automatic_manual_transmissions_mazda.rar




if these filesare not available please on these link email me and i will update it. sbandara@gmail.com