P CODES (POWERTRAIN) P0400 - P0499 P0411 Questions

I Recently Replaced The Exhaust Manifold Catalytic Converter On My Truck. While Doing So I Had To Move The Secondary Air Flow Check Valve So...

My Scanner Shows A P0411 Code “secondary Air Injector Incorrect Flow” Any Advice On What To Change/ Look For To Rectify This. Thanks

I Have Replaced Plugs Was Thinking Of O2 Sensor Eliminator. But I Don't Know.

I've Done Pretty Much Everything. But Still The Code Keeps Popping Up. The Code Means (secondary Air Injection System Incorrect Flow...

My Check Engine Light Came On This Week And Learned That The Error Code Means A Faulty Air Combination Valve. I Am Wondering If This Is...

Hi, I Own A 2000 Vw Jetta Gls 1.8t Automatic Transmission. The Car Has About 85000 Miles On It. Last Year, The Check Engine Light Came On. I...

Whats The Fix For Obd Code P0411 (2nd Air Inj. Sys. Incorrect Flow)?

I Have A P0411 Code And I Was Wondering Where The Secondary Air Injection Pump Is Located. Secondary Air Injection. Upstream Detected. I...

My Back Yard Mechanic Told Me To Get Secondary Air Pump Only Could Get One From Dealer , They Had To Order One, So Found A Used One Via...

After My Check Engine Light Came On, Autozone Checked And Gave Me This Error Code. The Car Is Running Fine, No Noise, No Leaks, No Burning...