EMISSION

I Have Oil Going Through The Breather Tube Tube On The Front Of The Engine Going To The Air Intake. I Read Online That The Pcv Valve Is...

How Do I Remove The Pcv Valve Without Breaking Something? It Has Plastic Tabs That Go Over The Valve.

Engine Performance Problem 1991 Toyota Tercel 4 Cyl Automatic 135000 Miles Hi, I Have A 1991 Toyota Tercel That Will Not Pass...

Had My Car In For Emission Test A Failed High Nox On Driving Test 1147 Ppm. Replace Muffler, Fuel Filter, Changed Oil, Added Fuel...

The Secondary Air Pump Turns On For A Couple Of Seconds And Then Shuts Off.

When Trying To Remove The Pcv Valve, The Top Snapped Off. The Rest Of The Pcv Is Still Seated In Place With Nothing To Grasp On To In Order...

I Need To Replace The Egr Valve On My Car Competition Group (3.6l V6 Supercharged). Is That Repair On A Novice Level With Limited Tools?...

When I Remove The Vacuum Hose From The Transducer To The Egr Valve The Car Runs Perfect Even When I Come To A Stop But If The Vacuum Hose Is...

I Keep Getting A Lean Code And My Air Intake All Checks Out Good. Could A Failing Or Leaking Evap System Cause This Lean Code?

I Recently Bought An Old F150 With The 4.8l Motor. I Took The Truck To Emissions And It Passed Everything Except Hydrocarbons In Idle. The...