Mazda 626 Engine Idle Erratic

I Have A Mazda 626 2001 With Over 172,000 Miles On It. I Just Replace The Front Cat It Went Bad On Me. Now I'm Having Idle Problems It Feels...

I Just Brought My Daughter A 1997 Mazda 626 It Has Rough Idle When In The Stop Position. My Brother Whom Is A Backyard Mechanic Cleaned The...

My 626 Recently Began Idling Up And Down Between 1500-2000 Rpm. As This Went On, The Temp Gauge Slowly Climbed Up Near The Redzone. I Turned...

I Have A '95 Mazda 626, 4 Cylinder. When The Car Is Started, It Idles At 2000 Rpm. It Stays At This Rpm For A Few Minutes Then Fluctuates...