You may have to check the top of the tank where the fuel pump gasket is, as well as the vent lines to the front of the car. AnswerThe pcv value is located on the value cover next to the oil cap. It had two broken hoses sticking out of it. We also have a 1998 Frontier that has had engine light problems since we bought it used in 2003. Eventually I'll have to replace the canister and blow the line out, but I needed a quick and dirty fix right now so I can pass my smog test before this week is over. With no voltage across the terminal we could blow through one hose and it comes out the other, with voltage we can feel the unit buzzing it is essentially an electromagnet but still no change, airflow is not stopped.
I am a lady with almost no mechanical experience I've done some car work on engines but never changed a tire. If you take your time this should get you up and running with minimal problems. Two of those hoses go to a solonid valve with a two wire electrical connection. As for how you get it out… The Valve is behind the drivers side wheel. The best part is I didn't have to take it to the dealership and pay out the nose to have them fix it. I got the 1447 code like 2 months ago found out what I was looking at but the light went out like 3 days later and has not come back on since. I found a picture on ebay for one of these parts for a Maxima.
The vacuum cut valve bypass valve is a solenoid type valve and generally remains closed. Take the time to dismantle and clear the the Purge volume control valve,it will take about 20 minutes to do right, get all the carbon flecks out of there. When is the code detected? Those hoses are on the filler neck to the gas tank pull them off one at a time and see if one has about 1 oz of fuel in the rubber hose no smoking. I got the code P1441 replaced vacuum cut bypass valve and vacuum cut valve. Te same problem we foudn in a Sentra 1. On ScannerDanner Premium I will bring you right into my classroom at Rosedale Technical College. Blew compressed air through the lines by making sure there is no pieces of charcoal.
You will find page for page lectures taken right from my book as well as exclusive classroom type case studies. I had one advantage too. I shook it to test for broken charcoal a common issue on these cars , and felt no loose particles. A mechanic would perform a smoke test to look for leaks. Follow all warnings and cautions provided in the service manual. Replaced the line with one I made and the trumpets started to blare in the sky with approval. Engine light problem, nissan service serviced and replaced evap purge valve.
Gasoline in the signal hoses from over filling the tank can cause the tank pressure sensor to send the wrong evap emission information to the Engine computer that in turn sets the P1441 code. If any blockage is found, determine the cause and repair as necessary. There was a lot of mud caked on the hoses and components, so looking around and removing the canister resulted in a lot of dirt falling in my face. Next day light was on again. Great prices, and very fast shipping.
I then replaced the the valve cut bypass valve four hoses going to it with a used one from junkyard. I can't find anything online or in the book about this part. It opens only for on board diagnosis. It is in an awkward place and Nissan charges about a 100. Follow all warnings and cautions provided in the service manual.
The vacuum bypass valve is more than likely the problem, but I cannot be sure until all of the components are properly tested. It's been a struggle to get the light off to get an inspection every year! Because this range will vary with barometric pressure, it is best to compare readings with a known good vehicle. Time to check out a new book? On my 2002, it is located against a rear wall, opposite the fuel filter. Pulled the metal cage off and plunger dropped out. I got confirmation that I made a purchase, but nothing ever stated the charge was made.
Anyway, I pray a blessing upon the kind soul who published this information. Engine light problem, nissan service serviced and replaced evap purge valve. I pull live problem vehicles directly into my classroom and we troubleshoot them in real time, using and applying the theory and testing procedures we learn during the classroom lectures. My car also sometimes stalls after a start, and takes a couple tries to make it start with accelerating. The upper nipple is connected to the filler neck pipe without a restrictor in it. I'm convinced others are having the same problem I have experienced seeing that hard line portion coming from the cutoff bypass valve is being restricted with rust seeing it is exposed inside the driver side rear wheel well of vehicle.
My purge volume control valve does not look like the one in the writeup; looking at where the line taps into the intake manifold and working backwards, this is what I have for a valve: I pulled the hose off the side leading away from the valve not the manifold side and started the engine. Vacuum cut valve bypass valve solenoid above, vacuum cut valve below. The vacuum cut valve bypass valve responds to signals from the. Have to get it scanned again to see what comes up this time! Remove the hose and check. That brings my question, does the cpu need to be reset? If it is like my 2001 Nissan Sentra, there is a cover behind the drivers side tire. Like it may not start or it will just stall. An element within the switch reacts to temperature changes, opening … and closing the valve at a predetermined level.
I checked the lines and a ton of charcoal came out. We'll have it checked out. Thanks for the help, I just took my Evap system apart. Bill Try disconnecting the car battery for about 12 hours to reset the code. Use a small flashlight to make sure.