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Old 01-29-2009, 04:06 PM   #1
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Question Air Intake Temp Sensor

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I have an 04 wrangler X and I purchased a performance chip that requires me to splice it into the intake air temp. sensor (not the mass flow) and I cannot find a diagram to show which one that is. It is either a two wire seperate plug or it is a part of the mass flow. The only problem is all of the sensors are pretty much on the manifold, and usualy mass flows are on the air intake. Can anyone point out which one I am looking for? I would hate to splice it into the wrong one and cause problems.

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Old 01-29-2009, 04:21 PM   #2
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return the chip and save up for gears if you want performance gains... chips only work at wide open throttle which i hope you dont do to often in a tj

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1997 TJ, 6cyl, 4' Skyjacker, Custom Bumpers Front and Rear , Rocker Rails, Magna Flow Muffler, Light Bar , Custom Intake, Optima Yellow Top ,33x12.5x15 Procomp X-Terrain, Alpine Type S Audio, 10' polk sub, Recaro Seats.

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Old 01-29-2009, 05:06 PM   #3
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Tj's don't have a MAF sensor the intake air temp is on the manifold near the tb. Sounds like one of these cheesy little things that wont do shit and is a waste.
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Old 01-29-2009, 06:19 PM   #4
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dont do it

I know people chip their trucks and sport cars
but that is a system chip thats programable
for lots of things
changes shift points,gas, air mix power band

The programers are 300 easy
I knew a guy that had it down to a few of his trucks
he paid over 1300 each install by pro but was very happy
but he had to much money
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Old 01-29-2009, 06:21 PM   #5
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jeez guys, easy.

you won't get jumped on here like this usually

anywho, you've heard some responses to the chip, but to answer your question it is a 2 wire sensor, they're usually on the rubber fresh air hose, or air box. i'm the yj guru, so i don't remember the exact location off hand.

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Old 01-29-2009, 06:47 PM   #6
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You can see it in this pic it is the one in the manifold it's brass.
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flowmaster40,hpd30 with aussie locker,currie upper joints,4.88's, lca skids,chromo shafts,vanco brakes,d35 with super 35 and arb locker,re 4.5" springs,currie arms,re front uppers,Re shocks in back,walkerevens shocks up front, Re track bars with currie jj joints,anti rock,ss brake lines,re rear sway bar links,jks 1.25" bl and mml,bfg 35x12.5 km2's,craiger soft 8's,ome steering stabilizer,currie hd steering,rockmen front bumper,emp tank skid,lots more too.
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Old 01-29-2009, 06:55 PM   #7
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oh yeah, right at the bottom right corner.
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Old 01-30-2009, 12:10 AM   #8
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Quote:
Originally Posted by Giancarlo View Post
return the chip and save up for gears if you want performance gains... chips only work at wide open throttle which i hope you dont do to often in a tj
hehe i assume tuxedotee ended up getting a "chip" from ebay that costs between 5 to 30 bucks and its name is something like redline or whatever else ripoff name they come with. Here is whats in the so called "chip"

You open it up, you will find 2 wires and if you get the "amazing chip" a single resistor will be soldered to an actual board instead of it being freeballing in there. Usually 2 knots on the wires stop the wires from pulling out of the little "chip".

Anyhow here is how it works. The colder the air, the more fuel it needs for proper combustion. The way most engines measure temp is using a wire. When the wire is cold. It sends lower resistance than when its warmed up. Once you hook up the resistor parallel to that, it will lower the resistance some more so what was warm air before, the computer reads it as cold air now and what was cold air before, the computer reads it as urber, mega super cold air so it adds more fuel.

On our tjs it will help in the higher rpms since according to dyno graphs i've seen online, our tjs tend to lean out in the "high" rpms. The problem that creates is our tjs run rich in the lower rpms from the factory so now you're duming even more fuel so your already crappy design exhaust manifold gets nice and crispy increasing the risk of it cracking even more.

(Hehe 4k is "high rpms" )

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