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.
How do I fix error code 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.
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.
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.
How much do a EGR valve cost?
The average cost for EGR valve replacement is between $332 and $413. Labor costs are estimated between $81 and $103 while parts are priced between $251 and $311. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.
How do you clean an EGR valve?
Zitat von Youtube: And before I put the EGR valve there's another trick get some wd-40 spray it in the hole. I'll let it soak for about half an hour the penetrating oil will get on the stem.
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.
How do you test a EGR valve?
Zitat von Youtube: But really the best thing you can do is get yourself one of these vacuum testers now let me just reposition the camera here. Now we will test this valve in a running vehicle.
What is EGR valve position sensor?
The EGR position sensor detects the movement and position of the exhaust gas recirculation (EGR) valve pintle. The EGR pressure sensor detects exhaust gas flow through the EGR passage.
Can I replace my EGR valve myself?
In most models, replacing an exhaust gas recirculation (EGR) valve is not difficult. You can do it in your garage in about an hour or two, depending on your particular system, using some common tools and a good solvent like carburetor cleaner.
Is it better to clean or replace EGR valve?
Proper maintenance of the valve is a must if you want to avoid any performance related issues on your car. If you notice a smell of fuel that comes out from under the hood or rough idling, then it might be time to replace the valve. In most cases, though, you do not need to toss it out just yet.