If there is no click, the vent control valve must be replaced. I basically pulled the wiring loom loose from its home on the frame to give myself a little more length to work with. It will however prevent the vehicle from passing emissions testing and may release fuel vapors into the atmosphere. I can clear it and it will come back eventually. How does a mechanic diagnose the P2401 code? We are adding new videos all the time so check back later.
On the engine bay side, I removed the purge solenoid valve and hose and capped the line with vacuum caps. I removed the pump and just plugged the two hoses but i don't have any power what so ever if i go up a steep hill i would be in trouble. I imagine you will be fine as long as you got that zip tie snug on there. When the evaporative system begins to pressurize, the pressure on the bottom of the diaphragm will begin to oppose the spring pressure, slowing the pumping action. A common problem in this vehicle is a bad vent control valve. The most common culprit is the gas cap that is left open or not closed properly, although there could be other problems, read more below. Many parts look the same, but in reality, are very different.
Yeah, that's what I meant. I have a Mazda 6 2. Our Solution Our Genuine Part is brand new and has all the latest updates. This allows detection of leaks and blockage. Would like to see the engine side diagram for giggles.
The P2401 will not exhibit any concerns that prevent the vehicle from driving or running normally. Our Parts just fit right, and just work right every time. I don't have a compressor and I don't think I can clean it really well without one. The vent control valve is located at the back of the vehicle, at or near the charcoal canister. Hope it will be obvious once under the car. Have a closer look at it, if there is visible damage to the cap or its rubber gasket, it must be replaced. I don't have a compressor and I don't think I can clean it really well without one.
There was no space to reach and clamp that green pain in the ass quick release connector so I just obliterated it bottom of picture below. During the pumping mode, the diaphragm will not move down far enough to open the vent valve. Of course, nothing is perfect, so we back it up with our industry leading warranty in case something does go wrong. Rear crossmember removal is indeed part of the process page 02-14-12 , and while six bolts are mentioned, it is not clear where they are located exactly. The code will remain until the issue is resolved or normal voltage is detected over multiple vehicle trips. Smoke is coming out there because the pump isn't sealing all the way. Most likely though, the pump is just failing gradually and the I wouldn't be surprised if the codes become more and more frequent.
It will be a pain, you will curse Mazda for basically building the car around this stupid pump. The engine enters closed loop operation after it reaches a specified temperature and the time delay ends. You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. If they give you an argument about it, call Chrysler, and they will take care of it. It can be tested by applying battery voltage to the vent control valve terminals.
Install time can vary with individual technical skills. Challenge them with your receipts for a refund and further repair of the canister. I don't think the purge valve or leak detection pump are bad yet although the purge valve seems cheap and easy to replace. Some rubber hoses are located under the hood, others are under the car and close to the charcoal canister. The evaporative emission system is designed to prevent the escape of fuel vapors from the fuel system. The P2401 code can be a complex code to diagnose. There was no space to reach and clamp that green pain in the ass quick release connector so I just obliterated it bottom of picture below.
Also not sure in your state how many not readys montitors you are allowed to have either. Additional Part Information Quality Information: Genuine Part. How serious is the P2401 code? The part is designed to never fail again. It's installed at the charcoal canister at the back of the car, close to the right rear wheel. I basically pulled the wiring loom loose from its home on the frame to give myself a little more length to work with. In this video I show you how to do it. YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle.
Pulled a good 5-7 lbs off my 240sx years ago ripping out the various sensors and giant charcoal canister. I don't think the purge valve or leak detection pump are bad yet although the purge valve seems cheap and easy to replace. Great information, thanks for replying. Rafal, assuming you mean the section on the throttle body i have circled here, No pressure actually goes through that, its just a water jacket to heat up the air to aid cold start. Material: Plastic Outlet Outside Diameter: 0. The pumping cycle is repeated as the solenoid is turned on and off.
Our Parts are heavily researched and tested. So far, I checked the evap system for anything obviously wrong, like kinked hoses, as well as the evap air filter for clogging. Need help with a P2401 code? This upward movement closes the vent valve. The pulse width is the amount of time that the solenoid is energized. I can clear it and it will come back eventually.