CHECK ENGINE LIGHT

My Gas Millege Is Really Bad And Took It In Because The Engine Light Was On. They Put It On A Engine Check With Po410. They Said It Would...

1991 Ford Mustang, 2.3l, 100,000 +miles I Just Bought This Car. Plugged In The Code Reader And Got Dtc 90 And 222. I Can Not Find...

I Have A Problem With Emissions And Fuel Trim. I Had Engine Light Come On So Had A Friend Look At Diagnostics To Tell Me The Fuel Trim Is...

We Ran A Diagnostic On The Car. Got Dtc-43. We Changed The Map Sensor, Egr Valve, Est Modal On Distributor, Plugs, Plug Wires...

I Have Reset The Light Many Times Over The 96k Miles I Have Had This Car. This Is My 3rd Honda, And I Am No Stranger To It Probs But This...

I Have An Otc Scan Tool And When I Hook It Up To The Trouble Code Socket It Can Not Communicate With The On Board Computer. The Local Deq...

I Have A 1999 Plymouth Grand Voyager And For No Reason And A No Specific Time It Will Just Shut Down. Has Happened Once While Stopped At A...

Mostly On Accelleration The Car Bucks (misses) A Lot. I Had One Code Reading Done And It Said "missing" On #3 Clinder. I Replace All The...

91 Bronco Will Not Respond To Code Reader

2004-chevrolet-trailblazer How Do I Get Code Reader Box Under Dash To Work?