P CODES (POWERTRAIN) P1400 - P1499 P1491 Questions

I Have A 2002 Dodge Caravan And It Has A Code P1491. What Does This Code Mean. According To The List On This Site It Is An Egr Issue But...

My Neon Has A Dtc P1491 That Says Fan Control Circuit. My Hays Service Manual Showes A Relay In The Relay Panel. My Neon Does Not Have That...

My Cel Keeps Coming On In My '97 Accord. The Code Is P1491, Which Is For "insufficient Lift" In The Egr Valve. What I've Done So Far: I...

My Engine Code Comes Up P1491, But Is Not Overheating. I Did Notice Some Smoke From Under The Hood. I Have Not Driven It Since The Problem...

Computer Problem 2002 Dodge Ram V8 Four Wheel Drive Automatic What Dose It Mean

Hi, I've Got A 2001 Jeep Grand Cherokee With 80000 Miles On It. Recently It Shows Me Check Engine Code P1491 Which Is Radiator Relay Fan....

Other Category Problem 1997 Dodge Neon 4 Cyl Automatic 122896 Miles Ok, I Took It To Inspection It Failed Because Of Emission Smoke...

My Truck Had A Aftermarket Alarm System, That Was Partialy Uninstalled, But There Was 2 Relays Under The Dash Was Offroading When Relays...

What Is The Meaning Of This Code P1491 I Just Change The 2sensor And The Engine Check Still On

For The Last 5 Years I Have Been Experiencing Issues With The P1491 Code. The Rad Fan Relay Melts (see Photos) And After Replacing The Relay...