P CODES (POWERTRAIN) P0400 - P0499

So, For The Past 4 Months In New England, It’s Obviously Winter And Anytime I Start My Car In The Morning And It’s Below 40 While It...

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...

Performed All Egr Tests. Still Getting P0404. Same Test Results On Three Different Units-2 Used, 1 Brand New. Results As Follows, (no...

Even Though My Car Has 265,000 Miles, My Car Runs Very Smooth But I My Mpg Has Fallen And I Feel That There Is A Smell Of Fuel In My Car&#...

I Changed The Vent Solenoid, And Erased The Code And It Reappeared Within Minutes. What Could Be The Problem? Thanks

Okay Here Goes. I Have A 1999 Saturn Sl2. I Got The Infamous P0401 Engine Code, Which Means Which Is For Egr Insufficient Flow. Okay...

Can Engine Cleaner/degreaser Be Used In Place Of Carburetor Spray In The Test For Vacuum Hose Leak Near The Manifold And Elsewhere?

Error Code 97(2). P0441 This Error Code Was Found From Scan Tool (launch X431v).

I Have Two Dtc P0135 And P0498, I Have Replaced The A/f Sensor And Also The Vent Valve, But Both Codes Comes Back After A Short Ride.

I Have Recently Got The Codes P0445 And P0449 Have Come Up. We Have Replaced The Evap Canister To Cover For The P0449 About 3 Weeks Ago...