What are the common causes of code P1404? Here is how we suggest you proceed. I know that is not what you want to hear, but it is a possibility, especially if the old fluid was burned. I'll show you how to test it without expensive tools. When you see P1404 Buick 40 engine fault code on your engine code reader this description will help you. If the pintle can not be unstuck then the valve egr will probably need replaced. Happened to at least 3 different customers, each with a totally different year, make and model of vehicle; the problem was solved as soon as I used a different supplier.
By far the most common cause of this code is carbon build-up on the pintle and its seat that prevents the valve from closing fully. Refer to in Wiring Systems. It is recognized sometimes as a disability so I hope this is the right place. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing. If this valve sticks it can allow exhaust gas into the intake when it should not be and cause your engine to stumble at idle or low speeds. Happened to at least 3 different customers, each with a totally different year, make and model of vehicle; the problem was solved as soon as I used a different supplier.
There was also other people stating that this fix really works. Regardless of how you approach it, you should get this fixed right away. Can I clean the pintle?. Start by measuring the fuel pressure and checking whether you have bright white-bluish spark at all four plugs. Look up your code definition. The pcm is seeing a longer than normal up shift time, and tries to compensate by raising line pressure.
What Tools Do I Need? Note that this is a rare event, and the fault must be sought elsewhere before any controller is replaced. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. This diagnostic detects if the valve is stuck open when commanded closed. P1404 Buick 40 Meaning : p Powertrain Code Problem is related engine, transmission and emissions systems. Is the voltage greater than the specified value? How can you tell them apart? There may be other manufacturers as well. It has absolutely nothing to do with that sensor. In addition, not all, or even most of the possible symptoms listed here will always be present on all applications.
Engine Code Search Search engine trouble codes. It may be possible to remove the egr valve and clean it with throttle body cleaner or induction cleaner. I will wait for your reply and give you some info. Refer to in Wiring Systems. The P1404 could be due to carbon chunks being broken off and getting caught in the valve.
Before you take a test drive after a repair, always erase the P Code s first. What did you do exactly to make it relearn the pintle position? I changed the O2 sensor on the exhaust manifold to no avail. These are listed in numerical order for easy searching. But not all the time. These can range from a faulty spark plug lead, shorted kill switch or flywheel key damage. This is the easiest and the most effective way of getting at the signals. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
Does the scan tool indicate that this test ran and passed? What I recommend you do is to test for each signal with the connector connected using a wire-piercing probe. Please use the form on our Contact Page to get in touch with us. If you are unsure of any abbreviations, check out the acronym list by clicking on the link at the left. However, Ford reports that these codes are all related to software bugs. Refer to in Wiring Systems. Thanks in advance for any ideas! I tend to think that after 4? If either solenoid has come apart, small pieces of the solenoid would be in the valve body, and cause a problem with other valves. Remember, these are manufacturer specific codes only.
I'm not equipped to do so without taking it to a garage. Consult the manual on this point. Did you find and correct the condition? Do you have a 2001 or 2004? It can only do this to a point. If either sensor isn't working correctly, the car will run rough and the engine will be less efficient. If the pintle can not be unstuck then the valve egr will probably need replaced. When it can no longer compensate, and the shifts are still too long, this code sets. Will I be able to.
It will end up saving a lot of money over time. How To Fix P1404 Buick 40? A code scanner is a very handy tool to have and I recommend everybody who is just slightly hands on type of a person to get one. Now I have joined this group of people as I got mine fixed using this trick also. Then I get the light again, I have a code p0171 suggesting O2 sensor. Remove and cleaning sometimes can help, but not always. What are the symptoms of code P1404? Did you find and correct the condition? However, the setting parameters of this code are not uniform across all applications.
Now don't ask yourself; What should you do with P1404 code? I was going to clean it again, but I doubt its going to work. Always consult the manual for the application being worked on for detailed information on the code setting parameters for that application. There are many scanners of different price range on the market. Either a failed solenoid, stuck solenoid because of debre in the valve or valve body. Pressure control solenoid or valve body.