Your engine’s manifold absolute pressure (MAP) sensor is your little buddy. Buried somewhere in the stream of your charged intake air (usually in the manifold), it employs a little ceramic or silicone ...

QI have a 2007 Dodge Grand Caravan with the "check engine" light on. I checked it with a code reader and got a P0404 code: "Exhaust Gas Recirculation Circuit Range/Performance." A new EGR valve costs ...

There are times in life when we must endure that which is unpleasant for the greater good of all. And while it may not be high on that list for some, vehicle emissions equipment has certainly become ...