MERCURY CHECK ENGINE LIGHT

It Started Normally, Then Had Reduced Power And Would Only Go About 5 Mph--less Up Hill. I Made It The 1/2 Mi Home. The Engine Light Came On...

My Engine Light Is On All The Time. My Car Runs Great. I'm Worried That It Will Not Pass Emissions. What Could This Mean?

My Van's Se Light Has Come On After So Many Times Of Trying To Remedy The Codes, From Knock Sensor To Misfiring Cylinder. The Thing Is...

Check Engine Light Came On, Although It Doesn't Stay On, Hooked Car Up To My Sunpro Scanner That I've Used Many Times Making Sure The...

1 Week Ago Lite Came On Code Was U0100 Then Lit Went Out Tioday Lite Came On Code U0100 And P0128

We Will Drive The Car For Around A 10 Mile Drive And When We Are Coming Back On The Highway It Will Start To Buck Like Crazy. It Will Keep...

I Cannot Get The Device To Retreat It Because It Is Made In 1993. So Please Teach Me Any Method To Retreat The Code. Thank You.

How Can I Turn It Off Long Enough To Pass Inspection, Been On For Ever

What Does A 1302 Code Mean On This Vehicle?

Hello, Here's The Problem I'm Dealing With. I've Recently Noticed That My 97 Cougar Idle Speed Has Hunted Between 900-1500 Rpm On Serveral...