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 ...

A delete kit is an OEM amendment package that removes or turns off emissions-associated components in a diesel engine. The ...

We had loss of power on our Audi A3 recently. The coil and DPF warning lights came on at the same time. We called the RAC and they reported "Air mass flow during regeneration too high" and told us to ...

My wife's Volkswagen Golf DSG has had an intermittent EGR light popping on and off for a few weeks. I got it checked at the last service and Volkswagen said it was a bit sooty on the outside of the ...