Mitsubishi Galant Trouble Codes

Have Dtc Codes P0431/p0421. Put New "cat" And New 02 Sensors. Cleared Codes. Car Drove Fine Before And After New Parts Were Put On....

This Is The Most Impressive Car I Have Been In. 130,000 Miles And Zero Issues, Until It Sat For Eleven Months. New Battery, Brakes, Rotors...

Car Has Check Engine Light On .. I Changed The Cat On The Bottom Of The Car But Still Has Light On.. I Understand That It Can Be A O2 Sensor...

This Car Has Been Kind Of Idling Rough And Every Now And Then Slightly Bucking. I Put Some Gas Treatment In It And Cleaned The Throttle Body...

I Messed With The Ignition Coils Now Car Starts Then Shakes. Then When Put In Drive Moves 50 Feet Then Shuts Off.

Check Engine Light On, How Do I Fix This? Any Ideas Of The Cause?

I've Had This Code Come Up Three Times Since I've Had The Car Which Has Been About 5 Months. When I Got It The Light Was On. After Replacing...

Computer Problem 2003 Mitsubishi Galant 6 Cyl Front Wheel Drive Automatic Can You Help Me? I Am Helping A Friend With His Car. I...

Hi, I Have A P0403 On My Car, And I Can't Seem To Get Rid Of It. The Car Really Isn't Showing Any Signs Of A Problem. Gas Millage Is...

My Check Engine Light Is On A P0302 Misfire Detected Cylinder 2 Came Up On My Smog Test What Could Be The Problem?