Codes P0490 EGR control circuit "A" means no high voltage change to indicate the EGR is opening or closing. P0489 is basically identical but it means circuit low as opposed to high. Unleaded fuel is prone to producing Nox when under extreme temperatures in the engine's cylinders.
Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. 1 (855) 347-2779 · hi@yourmechanic.com. Read FAQ. GET A QUOTE. Dodge Avenger Exhaust Gas Recirculation/EGR Valve Replacement costs starting from $200. The EGR valve, or Exhaust Gas Recirculation valve, is a device installed in both petrol and diesel vehicles to control harmful emissions. It was introduced as a way to curb pollution, and is a feature of many modern vehicles. Let’s take a look at what an EGR valve does, and how you can ensure that it’s functioning as it should. How to replace the EGR valve on a MK7 Ford transit! This one is a 2.4l diesel and 2009 year of manufacture. #mechanic #fordtransit #egrvalve Ford Kuga 2008-2010Join this channel to get access to perks: g4CqFg.