How to Fix a p0404 Code

Some vehicles may store EGR control performance code P0404 This occurs when the difference between commanded and actual EGR valve position is more than 10%

Check engine light code P0404 means Exhaust Gas Recirculation Circuit RangePerformance Find out how to fix it in this article!

p0404 It threw a p0404 code With this code, the car has no boost It starts up great, idles perfectly but I have no

p0404 It shows P0404 which I see is a EGR Valve I was looking around alittle and see this might be covered under some federal emission warranty