EMISSION

Van At About 2500 Or 2000 Rpm’s Range Vibrates And Shudders Drop It In Manual Mode Does Okay Throws A Bunch Of Codes Po300 Random Misfire...

Hi, Deleting Egr System? Thank You

Engine Mechanical Problem 1981 Dodge Ram V8 Two Wheel Drive Automatic Hi On 318 The Egr Valve Is Good, Seems To Be Blocked Before...

I Have A 1999 Ford F-150. With A Obii Code P0401. The Thing Is I Changeg My Egr And My Check Engin Light Is Still On.I Am Tring To Get A...

I Have The Car Listed Above Base Model And It's Coming Up With The Dtc Code Of P2433 And I Would Like To Know What Part Or Sensor To...

My Ac In My Olds 80 Cutlass Has Never Worked. I Decided To Take Off The Compressor And Other Components Of The A/c System. The Compressor...

The Car Started Gradually Getting Harder To Start. After A While It Started To Idle Weird And Would Shut Off If You Let Off The Gas. Check...

Gas Fumes In Car, Is Possible The Egr Valve? I Do Not Know But There Is A Evap Code.

My 1998 Mazda 626 Fails Smog / Hc @ 15mph = 66 (max 56) After A Tune-up (new Plugs, Wires, Air Filter, Fuel Filter), It Gets Exactly...

Cannot Find Locations Of Components In Order To Reattach Disconnected Vacuum Lines. Having A Hard Time Following The Under-hood Diagram. I...