CHECK ENGINE LIGHT

What Is The Most Likely The Cause For A Lean Condition? Car Operates Nicely. Gas Mileage Has Dropped Since Light Came On. Was About Thirty...

Engine Light Coming On For Years. Air Flow. Oxygen Sensors Changes Multiple Times. Aftermarket Catalytic Converter In 2013 65,000 Miles. ...

Ive Replaced The Egr Valve And The Exhausted From The Convertor Back And Drive It About 2 Miles And The Light Comes Back On

Checked Fuses, Switched Fuses, Looked For Loose Wires, Disconnected Negative And Positive Battery Terminals

Car Has Been Running Even Idling Rough, Almost Like It's Gone Die If I'm At A Stop. We Had A Tune Up A Cpl Wks Ago N The Light Comes On N...

Yes Hi, I Have A 1991 Cadillac Seville I Just Bought And It Has Almost 60000 On Her, My Service Light Is Flickering And Ive Been Looking...

Computer Problem 2000 Dodge Durango V8 Four Wheel Drive Automatic 121k Miles I Used My Free Question And Got A Quick Response And It...

The Code Says My Throttle Body Needs To Be Cleaned I Cleaned It But The Light Is Still On

1999 Nadia Becomes Very Light And Accelerator High When I Start Driving After Switching In On, Also The Speedo Meter Does Not Read For Few...

I Brought The Car To The Honda Dealership To Have It Checked Out But I Don'tunderstand All The Codes. I Know Need A Catalytic Converter & A...