Code d'erreur P0404 : gravité, causes et coût de réparation

code p0404  i replaced egr at first it worked fine for a while until car started giving the code p0404 again and the engine went into safe mode Tester The code shown each time is “P0404 EXHAUST GAS RECIRCULATION CONTROL CIRCUIT RANGEPERFORMANCE” I was told that I should have the computer flashed

just one code p0404 Exhaust Gas Recirculation Circuit RangePerformance took of the egr with the cooler detached the egr cleaned it ( wasn't P0404 Exhaust Gas Recirculation Circuit RangePerformance EGR Valve

The engine code is P0404 which refers to the EGR valve I replaced the valve with all new gaskets as it was rusty and the vehicle is at 194K Autohex online Help for members only, Vehicle:SANTAFE Model Year:2012 fault code:p0404