Is the p0404 valve on my Malibu gone?

I have a 2002 Chevy Malibu LS with the 3.1L V6 engine. I had a p0404 code and when I did my tune-up recently, I went ahead and replaced the EGR valve. However, after two days of normal driving (approx. 70mi each day), the code has not gone away.

What should I know about the p0404 code?

CAME UP EGR SYSTEM FAILED FAILED EGR POSITION SENSOR OPEN OR SHORT CIRCUIT CONDITION FAILED EGR VALVE FAILED EGR POSITION SENSOR APPLICABLE OK SO THIS IS WHAT CAME UP WHEN THEY READ THE CHECK ENGINE LIGHT SOOOO I HAVE CHANGED THE EGR VALVE AND STILL WONT GOT PASS 10MPH AND JUST STUMBLES ALL OVER ITS… Need more help with a p0404 code?

What kind of EGR valve does a p0404 have?

If you have a P0404, then the EGR valve is likely an electrically controlled EGR valve instead of a vacuum controlled EGR valve. Also, the valve will usually have a feedback system built into it that informs the PCM (Powertrain Control Module) what position the valve is in; open, closed, or somewhere in between.

What is the EGR code for an Impala 3?

Related EGR codes: P0400, P0401, P0402, P0403, P0405, P0406, P0407, P0408, P0409 Hello, 2002 impala 3 4l v6, I just replaced the egr valve as I was getting check engine code p0404.

What does trouble code p0128 mean on a car?

What Is Trouble Code P0128? This generic trouble code can affect most makes and models of vehicles. The code is signaled when your powertrain control module detects an unusual temperature reading while your engine is running. Typically, it’s signaled when your thermostat isn’t reading any temperature or is reading an incorrect temperature.

Why is exhaust gas recirculation used in a p0404 Chevy?

P0404 CHEVROLET Meaning An Exhaust Gas Recirculation (EGR) system is used in order to lower Oxides of Nitrogen (NOx) emission levels. The EGR system accomplishes this by feeding small amounts of exhaust gas back into the combustion chamber. High combustion temperatures cause NOx.

Why does the PCM set the p0404 code?

The PCM sets the P0404 code if the error is too great. An Exhaust Gas Recirculation (EGR) system is used in order to lower Oxides of Nitrogen (NOx) emission levels. The EGR system accomplishes this by feeding small amounts of exhaust gas back into the combustion chamber. High combustion temperatures cause NOx.

What does trouble code p0125 stand for?

The exact location of the thermostat and issues related to a damaged thermostat may vary depending on your vehicle. For most vehicles, trouble code P0125 is related to this issue as well. Your thermostat is an essential component for regulating coolant temperature and checking for more serious issues with your engine.