COMPUTER MONITOR NOT RESETTING

After You Do Your Cold Start, Do You Have To Go And Accelerate To 55 Mph Right Then And Now? I Have To Drive Out Of My Neighbor Hood First...

Evap Monitor Is Not Setting After Several Cycles. All Other Monitors Are Ready Except The Evap. Also, There Is An Intermittent Starting...

Hi I Have A 2000 Silverado V8 With 160000 Miles On It. I Think The Knock Sensor Is Bad But I Want To Do A Trip Drive Cycle First To Reset...

20 Warm Up Drive Cycles And Cat Monitor Still Not Ready. No Codes, Nothing Wrong (battery Was Disconnected And Bad; Replaced It And...

Good Day, I'm Asking What My Obdii Diagnostic Tool "means" By Evap Monitor Refuel Check Allowed? Is This An Automatic On-board...

Have No Check Engine Light, But I Cant Get The Egr Or Catalyst Drive Cycles To Clear.

So Here Is The Story. I Originally Had Code P0420 Catalyst Efficiency Code Which Only Set Off The Check Engine Light During The Winter...

I Need To Get The Vehicle Certified For Registration And It Failed The Smog Emissions Test. So, My Mechanic Just Replaced The...

I The Car Listed Above Three Speed Automatic Transmission (md125c). It Needs To Have An Emissions Test, So I Ran My Scanner On It As I Do...

Can't Get The Drive Cycle Prodedure To Work. Drove The Car Over 400 Miles. Tried The Cycle 9 Times. Throwing No Codes.