P CODES (POWERTRAIN)

I Have A Formula Showing These Codes With No Codes For The Cause. I Cleaned The Faf Sensor And The Problem Went Away I Also Changed The...

I Have 1999 Cutlass Oldsmobile A 3.1 Engine, My Question My Check Engine Light Is On And Is Showing A Code Of P0442 How Do You Find And...

Computer Problem 2002 Chevy Impala 6 Cyl Wheel Drive Type Unknown Automatic 97809 Miles What Can I Do To Fix This? Catalyst...

I've Replaced The Valve Stem Seals, Plugs, Wires, Cap, Rotor, Cpi Fuel Injector Unit And It Still Runs Rough When It's Cold And Idling...

I Have Pulled Two Codes P0057 And C1201 From The Computer But Cant Find What The Issue Is And What Repairs Would Need To Be. Are These...

I Am Showing This Code, And Have Noticed That, When The Car Is First Turned On And Shifting From Reverse To Drive (automatic), It Bucks....

Gave Car Tune Up And Found Vacuum Leak, Engine Light Still Comes On, Code 420,430

My Servie Engine Light Is On My Friend Looked Up The Code And It Said. Catalyst System Efficiecy Below Threshold [bank 1] What Does This...

I Have A 2000 Honda Odyssey Ex 124000 Miles With Automatic Transmission. I Am Assuming My Problem Is With O2 Sensor On Bank 1, My Question...

Car Seems To Idle A Little Rough. Wont Pass Smog. Im Not Sure If Its Just The Egr Valve Not Opening All The Way? Please Help. Thank You.