When is the p0404 code detected in an engine?

When is the p0404 code detected in an engine?

When is the P0404 code detected? Early Exhaust Gas Recirculation (EGR) systems components include and EGR Valve, and Engine Control Μodule (ECΜ) Controlled Vacuum Switch Valve or EGR Solenoid and an EGR Vacuum Μodulator.

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.

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 causes the p0404 code on a Jeep Wrangler?

While there are several issues that can throw the P0404 code in the Wrangler, the most common issue is either going to be carbon buildup on the EGR valve, the EGR valve itself (going bad), or wiring issues. P0404 Symptoms: Jeep Wrangler Most of the time, the only symptom of P0404 is going to be the service engine soon light itself.

What should the EGR be on a Hyundai p0404?

Using a scan tool command the EGR valve to open while watching the actual EGR position (it will probably be labeled “desired EGR” or something similar). The actual EGR position should be very close to the “desired” EGR position. If it is, then the problem is likely intermittent.

Where can I go to fix my p0404 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230. No more waiting rooms! Our mechanics will come to you to diagnose and fix the P0404 code.

Why is the EGR sensor on my Jeep not working?

It may have been a lodged piece of carbon that has since dislodged, or it could be a bad EGR valve winding that intermittently opens or shorts as the valve temperature changes. If the EGR “desired” position is not close to the “actual” position, then unplug the EGR sensor.