Q:My Rodeo 96 has a P0440 code (Evaporative Emissions Control System problem). I have visually inspected the hoses on the engine; double-checked the gas cap is tight; but have not looked at the fuel tank sensors and connections. I've noticed that the EVAP canister purge valve solenoid is switching non-stop (click-click-click noise without stopping). Is it the expected behavior?

I have seen many of the Rodeo's purge valves malfunction causing rough idle and that clicking coming from the valve. It is not normal behavior for that purge valve. Double check all hoses for any hair line cracks, they tend to crack on the bottom side alot. Otherwise replace the purge valve it make a huge differnce in the vehicles idle and performance. Also a intake cleaning service helps quite a bit too, most lube centers and shops can do it for about 50-60$. That cleans all the carbon out of your intake plenum, port runners, valves. It may help the valve to stop malfunctioning also, have seen that service clear all codes and bring back lost power and rough idles clear up.

Q:Hi, in the heart, blood flows through the AV valves and enters the ventricles once the atria have filled up with blood. What opens the AV valves? Fluid pressure from the blood or the SA node pulses?

The opening and closing of the atrioventricular valves is controlled by the differences in pressure across them: When blood passes from an atrium to a ventricle, the atrioventricular valve is pushed open (and the papillary muscles relax and the chordae tendineae lose their tension, becoming slack). At the next stage in the sequence the ventricle contracts. This forces blood out from the ventricle into the artery via which it leaves the heart. This contraction of the ventricle and the corresponding increase in blood pressure within that ventricle also presses the cusps of the atrioventricular valve together until their edges meet, closing the valve. At the same time, the papillary muscles contract and the chordae tendineae tighten - both of which also help to prevent the cusps from enabling the atrioventricular valves to open. When in the next stage of the sequence the ventricle relaxes and the atrium contracts, the blood pressure situation is reversed, the relaxation/tension of the papillary muscles and the chordae tendineae also reverses, and the atrioventricular valve allows blood to pass from the atrium to the ventricle again.

Q:can you spray WD-40 on it so you can turn it off?

What kind of valve? Water? Gas? If it's a gas valve, LEAVE IT ALONE and call the gas company or a plumber. If it's water, if it breaks it won't kill you, but it can make a huge and expensive mess. First, are you sure that you're turning the valve in the right direction? When facing the valve, turn it clockwise to turn it off. If that's not the problem, then using WD-40 or other petroleum based product might work, but you have to be patient with it. Let it soak in and give it time to work dissolving and loosening rust or general grunge that might be freezing the valve. There are other products developed specifically to loosen nuts and bolts, but if you don't have easy access to an auto parts store, then try this. Spray the valve generously, wait 30 minutes, work the valve gently back and forth, spray again wait 30 minutes, work it again, etc. until the valve loosens. Don't force the valve or you'll snap it.

Q:my Hunter SVC VALVE will not work with my Lawn Genie Valve. Is this becaous the voltage is not matched? Hunter says it operates solenoids at 6-9 v DC // Lawn Genie says it is an 18 v DC solenoid. :-( my original Hunter Valve broke and I replaced it with the Lawn Genie. Should I get a Hunter Valve , or a Lawn Genie Controller at this point/ or is there something I have overlooked?.

Your Hunter transformer only provides about half the voltage needed to operate the Lawn Genie solenoid. You might find a weaker spring for the LG solenoid, but the long term fix is to stay consistent. Either use all Lawn Genie, all Hunter, all Rain Bird, etc.

Q:Steam is a gaming network and valve is a company, but what else? I think that it might be nothing; they both suck at working.

I don't understand this question fully, but I think you like my answer: Steam is a software for gaming articles, but it also meaning gas on another word. Valve (www.google.rs/search?q=Valvehl=srclient=firefox-ahs=SCurls=org.mozilla:en-US:officialprmd=imvnssource=lnmstbm=ischei=8zHfTr2iIsKnhAeTy-yVBQsa=Xoi=mode_linkct=modecd=2ved=0CCgQ_AUoAQbiw=800bih=393) is a legal company, same as meaning the link I put there. Hope it helps! :)

Q:I just replaced my fill valve and all the other toilet components with a universal korky brand kit about 2 months ago and the fill valve is making a hissing sound once the water fills up in the tank. There are also air bubbles that come from the vents on top of the fill valve. I went to the Korky web site and they say that it is a faulty flapper but i checked to see if there is a leak by dropping one of those testers into the tank and there appears to be no leak. Any suggestions?

Korky Toilet Fill Valve

Q:I'm picking up euphonium (brass instrument) after a 5 year hiatus. Can I still use my old valve oil and slide grease (Trombotine)?

okorder /

Q:I have a Tippmann A5 and I removed the gasline from the tombstone and when i went to put it back in the valve washer is in the way. Please help

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Q:Electric Hot Water Tank Pressure Release Valve Leaking, Why?

Michael is correct here. The TP valve is an integral part of the unit and should be replaced if leaking, not merely flipped open and closed a few times and then forgotten. Besides the folks that are telling you to flip the lever open and closed are forgetting about shutting down the water supply first. If you don't shut off the water before doing this you'll have a fair amount of hot water splashing out on the floor, and if it's overheated water it could very well scald parts of your body. It's extremely dangerous to take the advice of strangers, on a forum such as this, about something like this that can cause you much trouble and grief. If you are a handy person it's a fairly simple repair to replace one of these. Just turn off the water supply valve to the tank, if it's separate, if not then shut down the house supply. Many people say you need to drain water off the tank so as not to get any on the floor, and if that's a big concern, then it's not a bad idea. However, once the water is cooled, with the supply shut down there's no more pressure and the tank is similar to a straw full of water with your finger over the top. The water won't flow out easily without an air supply above it. So, if you have your pipe wrench ready and can take the old valve loose, have the new one taped with teflon tape on the threads and ready, when you unscrew the final threads of the old one, stick the new one right into the hole and thread it in. You won't lose enough water to be concerned about and you'll have a new pressure relief valve in place. Be sure to tighten it down good. Refill whatever water has left and check for leaks.

Q:i have been told that a bad EGR valve (exhaust gas recirculation valve) could cause a car to buck or hesitate in mid range speed at low rpms, thats what my car is doing. i work at autozone and i used our code reader and there was a code that stated EGR flow malfunction anyone else have this problem ever? please help me! i dont wanna spend the $120 if i dont need to!

If an egr valve opens too soon you will have a hesitation problem. Bad egr's do not cause problems with drive-ability at cruising speed. It sounds like your egr is faulty.