Aiv
#1
Aiv
Anyone have thier AIV just stop working? I replaced my cone filter today, and notice my AIV valve wasn't opening when I let off the throttle. Maybe it's just me. I dunno, kinda nice I don't have the grumbling noise from it, but it got me wondering. Worst case scenario is I get one from a junkyard, but it will be very low on my list. My next things I'm doing to my car are the reverse guages, getting the interior lights replaced with xenon ones, replacing the red door lights with clear ones, then there is the engine mount replacement, and strut/spring replacement.
S
S
#3
Re: Aiv
Originally posted by maximase86
replacing the red door lights with clear ones,
replacing the red door lights with clear ones,
*tosses cape over back - flies away............. *
#4
Guest
Posts: n/a
The only problem, a very significant one at that, was when the AIV started putting water in my airbox. But I'm pretty sure the valve itself is still functioning. I disconnected the hose from it and when I pop up the hood I can see the vapor coming out of it, but it's not continous, it'll let out vapor for a few seconds, then stop, then do it again.. Also, it does it at idle, I don't have to depress the gas pedal to get it to put out the vapor.
-C-
-C-
#6
Originally posted by Charles Bisel
Oh, you probably don't have to worry about replacing it either. I just passed my emissions test a few weeks ago with flying colors, so I don't think it matters all that much. I'm glad I didn't have to waste the money to replace it.
-C-
Oh, you probably don't have to worry about replacing it either. I just passed my emissions test a few weeks ago with flying colors, so I don't think it matters all that much. I'm glad I didn't have to waste the money to replace it.
-C-
S
#7
Originally posted by maximase86
All it does is put air through the exhaust system. Your probably getting exhaust going the wrong way, trapping water vapor...hence the water. What was fixed your emissions problem? I was gonna say this damn valve doesn't really do much for emissions...the 300zx doesn't even have it! Oh yeah, AIV stands for Air Injection Valve. Its job is to inject air into the exhaust stream when you let off the accelerator. To my knowledge, it only shows up in 2nd gens.
S
All it does is put air through the exhaust system. Your probably getting exhaust going the wrong way, trapping water vapor...hence the water. What was fixed your emissions problem? I was gonna say this damn valve doesn't really do much for emissions...the 300zx doesn't even have it! Oh yeah, AIV stands for Air Injection Valve. Its job is to inject air into the exhaust stream when you let off the accelerator. To my knowledge, it only shows up in 2nd gens.
S
~mike
#8
Originally posted by spacey64
hey if u need one i have 2 i can pull for u one already pulled from my old max which i never had a problem with, and the one on the car which was spouting water into the airbox if u want em i'll sell both for 30
~mike
hey if u need one i have 2 i can pull for u one already pulled from my old max which i never had a problem with, and the one on the car which was spouting water into the airbox if u want em i'll sell both for 30
~mike
S
#9
Ah air injection! So its an air system without the smog pump I take it. In that case I wouldnt even worry about it, actaully I probably would have ripped it out by now personally. Air systems are a complete waste for the most part. A bandade on a poorly performing engine, as far as emission that is.
I did notice my 84 has an egr system, very popular on many a model so I have no doubt a few of the later models still had it as well.
The better the engine the less the need for the bandage emisssions equipment like egr and air injection systems.
I did notice my 84 has an egr system, very popular on many a model so I have no doubt a few of the later models still had it as well.
The better the engine the less the need for the bandage emisssions equipment like egr and air injection systems.
#10
Originally posted by IROC Z
Ah air injection! So its an air system without the smog pump I take it. In that case I wouldnt even worry about it, actaully I probably would have ripped it out by now personally. Air systems are a complete waste for the most part. A bandade on a poorly performing engine, as far as emission that is.
I did notice my 84 has an egr system, very popular on many a model so I have no doubt a few of the later models still had it as well.
The better the engine the less the need for the bandage emisssions equipment like egr and air injection systems.
Ah air injection! So its an air system without the smog pump I take it. In that case I wouldnt even worry about it, actaully I probably would have ripped it out by now personally. Air systems are a complete waste for the most part. A bandade on a poorly performing engine, as far as emission that is.
I did notice my 84 has an egr system, very popular on many a model so I have no doubt a few of the later models still had it as well.
The better the engine the less the need for the bandage emisssions equipment like egr and air injection systems.
S
#11
Beleive me I know what egr is for. Actaully on better performaning cars egr is not needed and is allot less common then in yrs past.
I only pull egr in performance oriented cars, on a stock street car there is beyond no need. The car will often detonate without the egr system inhibiting the combustion process a little.
I only pull egr in performance oriented cars, on a stock street car there is beyond no need. The car will often detonate without the egr system inhibiting the combustion process a little.
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