code definition Exhaust Gas Recirculation Circuit Malfunction What the code means is an OBD-II generic code that indicates that the engine control module (ECM) has detected the engine exhaust gas recirculation.
EGR CLEANER 500ML Fast acting exhaust gas recirculation cleaner, to dissolve deposits in EGR valve, air intake system, manifold and inlet valves. To restore air flow to engine, improving power and acceleration and reducing exhaust smoke. EGR cleaner leaves no residue and prevents the deposit of resin. MoTip EGR Cleaner has a 360° valve.
Here is some info on the EGR Valve: What Does Your Car's EGR or Exhaust Gas Recirculation Valve Do?: This is a typical EGR valve. It's easy to clean or replace your EGR valve if your car or truck's performance starts to suffer.