P0404 CHRYSLER code

What the P0404 code means. P0404 is an OBD-II generic code that the engine control module (ECM) detected the engine exhaust gas recirculation (EGR) valve or sensor is out of specification range or its performance has gone out of specification parameters.

Can you drive with code P0404?

What Does Code P0404 Mean? Issue Severity: MODERATE – Extended driving with this code may cause internal engine damage. Repair Urgency: Get this code fixed as soon as possible.

What causes P0404 code?

Diagnostic Trouble Code (DTC) P0404 stands for Exhaust Gas Recirculation Circuit Range/Performance Problem. It is a generic OBD trouble code that activates if the powertrain control module (PCM) detects erratic Exhaust Gas Recirculation (EGR) valve performance.

Where is the EGR valve located?

The EGR valve is usually located near or attached to the intake manifold, with a tube running to the exhaust manifold. There should also be a vacuum or electrical connector (or both) running to the valve which will need to be detached.

What does exhaust gas recirculation control circuit mean?

The exhaust gas recirculation (EGR) system helps minimize nitrogen oxide gases coming from your vehicle’s exhaust. On GM vehicles (such as a 2016 Silverado), the P0403 code is stored when: The ECM/PCM detects an open circuit condition of an EGR motor control circuit for greater than 3 seconds.

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How do I fix P0404?


Zitat von Youtube: First carefully remove the egr valve from your car. Turn the egr valve upside down and fill it up with the wd-40. Cleaner let it soak for five hours for the solvent to get rid of all the carbon.

How do you fix the engine code P0404?

What repairs can fix the P0404 code?

  1. Replacing the EGR valve if it stuck partly open from carbon buildup in the pintle area and cannot be cleaned.
  2. Replacing the EGR position sensor if it is determined that it cannot give a correct input reading to the ECM when moved manually.

Can a P0404 cause a misfire?

When this occurs, you may notice misfires and even have misfire codes along with the P0404. This can occur on vehicles that use EGR “runners” for each cylinder.

How do you clean an EGR valve?

How to Clean EGR Valve?

  1. Spray cleaner in both openings of the EGR valve. …
  2. If it’s really dirty, you may need to use a pick to scrape off the bigger chunks of carbon or a wire brush.
  3. You may also need to let the cleaner sit in the valve for several hours.
  4. Don’t be afraid to use too much cleaner.

Where do you spray EGR cleaner?

Spray the product for 2 seconds into the air intake manifold but DO NOT SPRAY DIRECTLY INTO THE INTERCOOLER. After each spray, wait until the idle rpm is restored and engine runs stable. Repeat the process until all of the product has been discharged from the aerosol.

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Can I replace my EGR valve myself?

Can I Do It Myself? Although it’s possible to complete an EGR valve replacement yourself, due to the need to access the engine chamber, it’s not recommended unless you’re an experienced mechanic.

Can you drive a car with a faulty EGR valve?

Can I drive with a bad EGR valve? Technically, you can drive your vehicle with a bad EGR valve, but your vehicle will run rough, shake at idle, and a check engine light will be illuminated. You might also hear popping sounds while driving down the road.