P CODES (POWERTRAIN) P0400 - P0499

Returned To Dealer Repair Services Four Times Between Mileage 90,116 And 90,464 To Replace Gas Cap, Purge Line Harness, Evaporative...

Already Replaced The Purge Valve And Also The Vent Valve. Put A Hundred Miles On It Pop Back On Again. I Know I'm Looking At The Filler...

Car Was Throwing Knock Sensor Codes P0325 And P0330. Check Engine Light On. Car Radio Intermittently Goes Off Then Comes Back On And When...

Scanned Car And Found P0453 Code For Fuel Tank Pressure Sensor. Alldata Shows The Sensor To Be On The Right Side Rear Of The Engine...

Hello There. I Have A 1997 C1500 2wd Pickup In Which The Check Engine Light Is On. The Code Reported From My Handy Dandy Obdii Reader Is...

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