EGR code p0404 question

code p0404  The code shown each time is “P0404 EXHAUST GAS RECIRCULATION CONTROL CIRCUIT RANGEPERFORMANCE” I was told that I should have the computer flashed  P0404 - EGR 'A' Control Circuit RangePerformance - OBD2 Trouble code: ✓ Meaning ✓ Causes ✓ Symptoms ✓ Diagnostics ✓ Repair guides ✓ Repair costs ➤ Keep

a low flow code p0401 is a restricted intake or p0405 would be either sticking egr pintle or carbon on the egr guy at 2 years ago, a a month after I bought my i30 , I had a CEL with a P0404 code that was set while on a long road trip in

Part of that code refers to the EGR control solenoid Did you replace just the EGR valve or the EGR valve and the solenoid? Follow the vacuum This code points to either carbon buildup or a bad EGR valve However that doesn't rule out the following: Open or short in the 5 Volt reference circuit