EMISSION

What Does The Codes P0406 & U1120 Mean

I Would Like To Know If This Is A Sensor And Where It Is Located And If I Would Be Able To Fix It The Car Failed The Emission Test For The...

1978 Ford F150 V8 Two Wheel Drive Automatic I Need To Know How The Vacume Lines Go On A 78 Ford 460 Motor...

It Popped Up 2 Months Ago And The Dealer Fixed It Then It Popped Up Again Yesterday. Is There Wrong With The Engine? Do I I Have To Worry...

I Have What Appears To Be A Thermal Vacuum Valve And Was Wondering What The Difference Is Between It And A Bi-metal Vacuum Swithching Valve...

1995 Nissan Pickup Truck 100,000 Miles, 4 Cyl A Mechanic Told Me The Check Engine Code Was For A Speed Sensor (maybe Vehicle Or Engine...

What Could Be The Cause Of A Code P0440? I Connected A Reader To The Car And Have Only One Code That Came Up (p0440). Thanks

Hello, I Have A 2002 Ford Ranger With 107000 Miles That Has Been Regularly Maintained Runs Smoothly And Is In Great Condition. It Has...

Need To Find Out The Trouble Codes For 3-2, 1-2, 5-5

Have An Oil Consuption Issue. Car Is Smoking In The Morning And While Driving, One Spark Plug Is Fouled. Never Overheated. Used Sythetic...