Volkswagen Jetta Emission
Browse Volkswagen Jetta Emission questions and answers. Choose a question that matches your symptoms.
17 discussions
Where Is The Evap Canister Vent Valve Located?
Hey Everyone. I'm Trying To Locate The Evap Canister Vent Valve. Does Anyone Know Of Any Diagrams Or Videos I Could Use?
Asked by thomas1234
PCV Valve Leak
Hello. I Am Driving The Car Listed Above Se. I Have The Following Check Engine Light P2279 Intake Manifold Leak. I Believe The Cause Of This...
Asked by Jedelen18
Code P0455 And P0441, Evap Failure Cannot Pass Smog?
I Fixed A Leak From A Hose Connected To The Secondary Air Pump Seems To Have Helped My Fuel Trims, I Think. I Smoked The System From The...
Asked by jettaboys
Diagnostic Test And Smog Clearance
Car Runs Fine But My Engine Light Has Been On For Many Months. I Need My Smog Clearance In March And They Cannot Do Test Until They...
Asked by Jeffrey Baker
Removed Secondary Air Pump
I Removed The Factory Air Filter And Installed A Cold Air Intake System, I Was Advised To Remove The Secondary Air Pump For A Proper Balance...
Asked by Wolf03
2003 Volkswagen Jetta OBDII Emissions Failed
I Recently Failed An Inspection. In The Obdii Category, The "mil Commanded-on" Failed. What Does This Mean? I Was Told That I Would Need To...
Asked by sco2ts
Intermittent Vibration
My Wife's Car Has Recently Developed An Annoying Vibration. It Is An Intermittent Issue, And When It Does Occur It Is Only Under...
Asked by evilninja65
Effect Of A Bad Air Pump
I Have A 2001 Vw Jetta 1.8t. The Problem With My Car Is That Every Time I Start It Up In The Mornings, Or Whenever It's Cold, It Makes A...
Asked by ppadr010
Hey Guys I'm Looking For Some Help With An Idle Issue...
Hey Guys I'm Looking For Some Help With An Idle Issue. The Engine Light Is On And If I Remember Correctly The Code That Is Coming Up Is...
Asked by x_jetta_x
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