Intake Air Temp sensor JWT intake

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sheadee240
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I know that the AEM short Ram and Injen intakes have a place to relocate the IAT sensor to, but the Jim Wolf Technology Pop-Charger does not have a place to install the Intake Air tempurature sensor. Has anyone relocated it somewhere/ somehow. I was thinking about relacating it to the top tube, but if it turns out to be a bad place, then I have a freaken hole in my intake. ANy ideas?

Anyways I bought it used from ebay for $71 and the sellor told me that Jim wolf said to just zip tie the sensor out of the way and leave it plugged in, this sounds a little fishy to me.

Cold air is more dense, so I assume when the iAT senses cold air it tells the ECM to dump more fuel, so I am wondering if my A/F ratio could possible be slightly off with this setup.

My friend had a similar intake from stillen on his Altima, and the IAT sensor threaded into the flat panel on the filter itself, opposit from the opening of the air filter element, this would be an easy fix, but the element doesn't have a flat panel on the end, it has another filter element on the end of the filter, like double filter style.

If someone can tell me where to get a filter element with the flat metal end rather than the double element style, and a 6 inch opening that would be one excellent solution for me. Any other possible solutions (other than buy an injen intake) would be appreciated.

Thanks in advance!

Shea

Thanks


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bj180sx
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just unplug it and put it in the glove box. That sensor is for diagnostic purposes only. Your check engine light should not come on. I have the JWt intake too and have no problems without the sensor.

sheadee240
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bj180sx wrote:just unplug it and put it in the glove box. That sensor is for diagnostic purposes only. Your check engine light should not come on. I have the JWt intake too and have no problems without the sensor.


Are you positive that it is for diagnostic purposes only?

mine is an S14...I just assume because of the name Intake Air temp that it might effect the Air fuel ratio...Any other opinions?...

Help!...Anyone?

What does Intake Air Temp. have to do with diagnostics?

Thanks for your input!

Shea

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Nismo1182
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Air Fuel ratio = O2 sensor

I saw this post a few days ago and decide to unplug that air intake sensor to test out bj180sx post. Hes right, that sensor doesnt do crap. I have a custom intake and I unplugged the sensor, went about the neighborhood for a few minutes, no check engine light. So I plugged it back in for the time being until i can find time to wrap up the connection.

sheadee240
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Do you have an air fuel ratio meter in your car?
Nismo1182 wrote:Air Fuel ratio = O2 sensor

I saw this post a few days ago and decide to unplug that air intake sensor to test out bj180sx post. Hes right, that sensor doesnt do crap. I have a custom intake and I unplugged the sensor, went about the neighborhood for a few minutes, no check engine light. So I plugged it back in for the time being until i can find time to wrap up the connection.

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Nismo1182
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sheadee240 wrote:Do you have an air fuel ratio meter in your car?


nope not yet:(

but if it did affect the cars a/f ratio the check engine light would come on since it would be important for its function.

Former_240_s14
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if you are using just the air filter you can relocate the intake temp sensor along the plastic tubing. if you want i can get you pictures tomorrow.

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Nismo1182
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Former_240_s14 wrote:if you are using just the air filter you can relocate the intake temp sensor along the plastic tubing. if you want i can get you pictures tomorrow.


Is that what you did? I tried relocating it to the platic tube but the sensor has the 2 little mount screw guide thing and unless you drill for those too the sensor would stick out halfway. Another way i thought of was to drill a bigger hole for it and just put it in there and seal it up with something.

Former_240_s14
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What I did was I drilled the two holes for the screws and mounting, then I drilled the big hole for the sensor, then, I got the metal backpiece form the air box, and put in in the tube, then i just screwd everything together, works perfect for me....knock on wood!

sheadee240
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Yeah if you could post a picture or email it to me at

[email protected]

that would be good stuff...I appreciate it!

ThAnks,

Shea
Former_240_s14 wrote:What I did was I drilled the two holes for the screws and mounting, then I drilled the big hole for the sensor, then, I got the metal backpiece form the air box, and put in in the tube, then i just screwd everything together, works perfect for me....knock on wood!

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Nismo1182
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hmm i forgot all about that metal back piece. But i had put the sensor so far back in the tube I wouldnt have been able to slide the metal piece in there. Right now the sensor in wedged between the filter and the maf. Im going to remove it completely tomorrow and run the car for a few days like that to see if theres a big diffrence in long term drivability.

yellow_jacket
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Shadee: the Intake air temp sensor will trip a cel on the s14. I can't remember the exact number of run cycles it will take, but it will do it. It has tripped it before on several of my cars(forgot to plug it back in after doing a trans or motor).

Do the s13's even have this sensor. I just finished doing a motor on one and I can't remember seeing it. maybe I was just tired.

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Nismo1182
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Yea it does, on the air box. On the 240sx forums some other guy told me it wont trip a CEL on a S14. I dont think it has taken a few cycles for him like you said. Others says its just for diagnostics purposes and the engine will function fine with out it.

PabloHoney
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this sensor is used by the ECU to calculate the amount of air is being ingested. Mass Air Flow alone is not enough information to know how much air there is. A mass of air at 100 degrees has a different density then the same mass at -20 degrees.

sheadee240
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Checked my FSM (its a 95 FSM even though my car is a 97) and it says that the sensor is only for diagnostic purposes and it doesn't directly effect the engine control system.

I find this strange, but my engine runs very well with this sucker just zip tied out of the way????????????
PabloHoney wrote:this sensor is used by the ECU to calculate the amount of air is being ingested. Mass Air Flow alone is not enough information to know how much air there is. A mass of air at 100 degrees has a different density then the same mass at -20 degrees.

96_S14_SE
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I have the same filter and tapped the holes into the top metal part of the cone.

What you do is take the backing plate and match up the 2 drill bits needed to replicate the holes. Stick the mounting plate on the top plate of the filter and mark the holes with a marker for drilling.

Drill out the center and 2 bolt holes.

I then put the mounting plate inside the filter where it should be and with a razor scored the rubber (on the inside of the pop chargers top plate) around the peice. I then pulled the rubber out, allowing the mounting plate to be closer to the ATS, thus allowing the scews ample room to grip to the plate. My ATS also has two of the oem rubber gaskets :) as my ram air setup tore the wires of one off at the sensor from vibration / movement of the harness, so I got another one at a yard and now have two gaskets on there for added security.

Ive also lengthened the wire to the connector and added rtv to the area where the wire / sensor meet so that it wont break off again, and it hasnt in yrs.

If you drill it out this way, and do it right, then go to sell it later on the next guy wont have the problems you are having now :) Plus it looks oem-ish which is good :)

sheadee240
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That's exactly how my old cheapo intake was hooked up, but my filter element is one of those double filter ones, so the filter doesn't have a flat metal plate on the end, just another smaller filter.

Thanks anyways.
96_S14_SE wrote:I have the same filter and tapped the holes into the top metal part of the cone.

What you do is take the backing plate and match up the 2 drill bits needed to replicate the holes. Stick the mounting plate on the top plate of the filter and mark the holes with a marker for drilling.

Drill out the center and 2 bolt holes.

I then put the mounting plate inside the filter where it should be and with a razor scored the rubber (on the inside of the pop chargers top plate) around the peice. I then pulled the rubber out, allowing the mounting plate to be closer to the ATS, thus allowing the scews ample room to grip to the plate. My ATS also has two of the oem rubber gaskets :) as my ram air setup tore the wires of one off at the sensor from vibration / movement of the harness, so I got another one at a yard and now have two gaskets on there for added security.

Ive also lengthened the wire to the connector and added rtv to the area where the wire / sensor meet so that it wont break off again, and it hasnt in yrs.

If you drill it out this way, and do it right, then go to sell it later on the next guy wont have the problems you are having now :) Plus it looks oem-ish which is good :)

96_S14_SE
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Are you sure you have a "JWT POP charger"? I have never heard of a design change, and they do not have a cone in cone design that I was ever aware of or any images on the site either. JWT's filter is a 7", at the base, 4" at the top, cone with a stainless steel top plate, and a cnc'd aluminum venturi style bottom plate. If you go to JWT's site youll see what I mean. Stillen used the same idea and carved stillen into the top plate.

Sounds almost apex-i or something else -ish, but not a JWT filter. So like I said, thats how I did it on my JWT's filter...

Put it in the intake tract somewhere then I guess.

sheadee240
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http://cgi.ebay.com/ebaymotors...11291

I don't know if this guy lied about what brand it was or something, but he said it was a JWT???

[QUOTE]Originally posted by 96_S14_SE "]Are you sure you have a "JWT POP charger"? I have never heard of a design change, and they do not have a cone in cone design that I was ever aware of or any images on the site either. JWT's filter is a 7", at the base, 4" at the top, cone with a stainless steel top plate, and a cnc'd aluminum venturi style bottom plate. If you go to JWT's site youll see what I mean. Stillen used the same idea and carved stillen into the top plate.

Sounds almost apex-i or something else -ish, but not a JWT filter. So like I said, thats how I did it on my JWT's filter...

Put it in the intake tract somewhere then I guess.

96_S14_SE
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Hmmm while that post needs some cleaning... (edit you fixed it hehe) Ill be damned. Looks just like a jwt filter with a double cone added in... Even has that exact goofy bracket to use as well.

Sorry I doubted you, and you learn something new all the time. Like I said Ive never seen or heard about that style from JWT, but it looks too identical (even the bracket has the exact bends) not to be.

I would consider tapping it into the intake tract somewhere. If you are still using the plastic hose just drill a hole for the sensor, and two samll ones for some course thread screws. Add some rtv to the sesor base and screw it in place... It will be secure and leak free this way if done right..

sheadee240
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That's my only plan for right now, unless I can find the filter you have for a reasonable price. Another guy who replied has already done this, but I am curious where he plummed it in...I don't want the hood to hit it. Hopefully he will post a picture.

BTW how the hell do you post a picture?

Do you need to have a web-page to upload it to first? If so where is a good (as in free) hehe place to store pictures on the net?

Thanks!

Shea
96_S14_SE wrote:Hmmm while that post needs some cleaning... (edit you fixed it hehe) Ill be damned. Looks just like a jwt filter with a double cone added in... Even has that exact goofy bracket to use as well.

Sorry I doubted you, and you learn something new all the time. Like I said Ive never seen or heard about that style from JWT, but it looks too identical (even the bracket has the exact bends) not to be.

I would consider tapping it into the intake tract somewhere. If you are still using the plastic hose just drill a hole for the sensor, and two samll ones for some course thread screws. Add some rtv to the sesor base and screw it in place... It will be secure and leak free this way if done right..

sheadee240
Posts: 204
Joined: Wed Aug 21, 2002 11:44 pm

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Did you get a chance to take that picture yet?
Former_240_s14 wrote:if you are using just the air filter you can relocate the intake temp sensor along the plastic tubing. if you want i can get you pictures tomorrow.

ka24de_510
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Just because you can remove a sensor and the check engine light doesn't go on doesn't mean you should go around removing sensors.

If the FSM says that it's only for diagnostic purposes, I'd tend to believe it, but I haven't read that part myself. It personally makes me wonder why Nissan would put themselves out the time and money to include something that should be a part of a mechanic's toolset.

Pablo was right about the calculations however. Try replacing your sensor with a 3.3K resistor (orange orange red) and tell me if your idle doesn't go up. Mine does. The ECU advances the timing.

sheadee240
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Is this on the S13 or S14?

Thanks
ka24de_510 wrote:Just because you can remove a sensor and the check engine light doesn't go on doesn't mean you should go around removing sensors.

If the FSM says that it's only for diagnostic purposes, I'd tend to believe it, but I haven't read that part myself. It personally makes me wonder why Nissan would put themselves out the time and money to include something that should be a part of a mechanic's toolset.

Pablo was right about the calculations however. Try replacing your sensor with a 3.3K resistor (orange orange red) and tell me if your idle doesn't go up. Mine does. The ECU advances the timing.


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