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Intake sensor MOD Ebay - 20 hp- For real? #44481 Sep 12, 5:56pm Sep 12, 5:56pm
Joined: Sep 2003
Posts: 24
CO Springs, CO
AFBlue82 OP
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2000 Toyota Celica GT
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CO Springs, CO
Intake sensor MOD Ebay - 20 hp- For real?
This guys seems pretty excited his chip will work in the Celica, have y'all heard of it?


http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=33597&item=2431504141


-New Guy

Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: AFBlue82] #44482 Sep 12, 6:03pm Sep 12, 6:03pm
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LA
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spaztikid
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spaztikid
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Fuck no...anything that givesyou 20hp is gonna be more than 20$

Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: spaztikid] #44483 Sep 12, 7:34pm Sep 12, 7:34pm
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Washington
Evan
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Originally Posted by spaztikid
Fuck no...anything that givesyou 20hp is gonna be more than 20$


Yep, total scam thumbsdown


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Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: AFBlue82] #44484 Sep 12, 10:56pm Sep 12, 10:56pm
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Orange County, CA
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Originally Posted by AFBlue82

This guys seems pretty excited his chip will work in the Celica, have y'all heard of it?


http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&category=33597&item=2431504141-New Guy


Ah the famous 20HP chip lol... its bull crap... its a damm resistor first of all and our ECU's r highly intelligent and will prob adjust itself to eliminate this little annoyance... thumbsdown BOOOOO thumbsdown




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Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: DJ_Curtiz] #44485 Sep 13, 11:28am Sep 13, 11:28am
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teamshowgon
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thats bs, aint nothing less than 20 dollars will give you 20 horsepower... My header probably gave me only 7 horsepower at most and it ran for like 800 dollars... thats bullshit

Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: AFBlue82] #44486 Sep 13, 1:01pm Sep 13, 1:01pm
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Posts: 264
Camarillo, SoCal
clockwork
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2000 Toyota Celica
clockwork
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i decided to get one of these just to see what it was.afterall it only cost me 4 bucks. it is just a resistor. a piece of wire about 2 inches long...it came taped to the instructions. and the instructions were total crap.they said to bend it into a "U" shape and insert it into your MAF plug. of course it didnt tell you which of the 5 or 6 little connecters to use. i even took it to my friends at toyota(their mechanics)and they couldnt get it to do anything.total scam!!! thumbsdown


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Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: AFBlue82] #44487 Sep 13, 1:12pm Sep 13, 1:12pm
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Los Angeles, CA
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isaac
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what... no pictures from this guy with his exciting "new" mod for the celica that works over 3 generations of engines eek


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Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: AFBlue82] #44488 Sep 13, 9:24pm Sep 13, 9:24pm
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CO Springs, CO
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thanks guys for the info, im gonna steer clear of that crap... Read about my latest problem with my catalytic converter in another post "Toyota's Great"

Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: AFBlue82] #44489 Sep 14, 12:07am Sep 14, 12:07am
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Lisle, IL
Rave669
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Okay, I know the deal when it comes to this mod, I know how it's supposed to be used, performance-wise, but I must tell you, for our cars, this will not do a damn thing.

The resistor trick is old-school, and you have to do it right. Furthermore, it will not work on any ODB-2 vehicle. it usually works on odb-1 and older electrical systems.

It works like this, you solder a resistor or a variable resistor (pot-type) and wire it in-line on one of the wires of your Intake Air Temperature(IAT) sensor. Some people also use this trick on their Engine Coolant Temperature(ECT). Because there's resistance on the line, the ECU registers the temperature as colder than it actually is (because there is less voltage going to the ECU. on older cars, this alters timing, runs the car a bit richer, and can add a few ponies. Using a variable resistor allows one to "fine tune" the A/F ratio better, as well as adjust timing a bit.

I used to have this on my escort, I built a knob box with two variable resistor pots, and wired it into the ECT and IAT sensors, and it worked, to a degree...

The problem is that a car's ECU will eventually "tune out" the altered signal over time on ODB-I and II systems. You'd set the POTS to the resistance you need, start the car, and it'd get maybe an extra 5 HP or so on my setup (which included I/H/E, MSD ignition/9mm wires/iridium plugs, headwork, etc) However, after about an hour or two, the ECU would tune out my settings, and it'd perform normally, mind you, this car was ODB-1. On ODB-2, it won't last a minute before the ECU compensates on it's own. At Wide-Open throttle, this mod is useless, since the ecu is in closed loop, and doesn't read off the sensors at all, it goes off the ECU's programming alone, and is not affected by sensors.

This mod is only useful in part-throttle conditions, it will improve midrange and low a bit, but top end will not be affected.

Get a S-AFC, it does the same thing, but has more sensor hookups and is microprocessor controlled, same wiht the JET module and Venom 400. they work in a similar fashion, but are continually adjusted, so the ECU doesn't "Catch on" to the altered signals. They're also more tuneable, and can produce better gains. Resistor mods are too old-school to work on modern ODB computers. Now if your car is older, it may work, but not in any huge degree.

If you guys want, I can make an in-depth how to, showing how to select resistors, install them, and tune them (if potted). However, I don't think it'll do much for us. Better to go piggy back instead.


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Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: AFBlue82] #44490 Sep 14, 12:31am Sep 14, 12:31am
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celicapimp02
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total scam there is no way

Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: AFBlue82] #44491 Sep 14, 12:49am Sep 14, 12:49am
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why do people keep posting about these ebay chips...

frown

Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: AFBlue82] #44492 Sep 14, 11:02am Sep 14, 11:02am
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pennsylvania
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Quote:
This mod is a fraction of the cost of those expensive ECU upgrades ($400-$800)

And does the same exact thing adds up to 2O HP!



uhm..our ecu's cant be tampered with...


hmm its only at 3.95 for the auction...

Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: AFBlue82] #44493 Sep 14, 12:23pm Sep 14, 12:23pm
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Raleigh & Charlotte, NC
MxReb0
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Nice post Rave. I think you should make a resistor how-to, even if it's not such a good mod, some people won't care and will want to do it any ways (like getting spinners).

The ECU controls everything, the air-fuel mixture is a BIG DEAL. Chip mods do make a difference. I have experience with a few after market chips with my dad's BMWs. btw, in new BMWs you can't change the chip and have to flash the chip. The programmer is big bucks. Different chips dyno very differently and change where the power in the rpms are.


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Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: MxReb0] #44494 Sep 16, 3:46pm Sep 16, 3:46pm
Joined: May 2003
Posts: 522
Lisle, IL
Rave669
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For those interested in this subject, there is a great How-To thread on the EscortRacing.com message board. it was written by a guy named John (JTScortin) This was basicaly the How-to I followed for my Escort's resistor mods.

For those curious enough to try this on the celica, the IAT (Intake Air Temp sensor) is mounted in the Intake tract of the engine (or near the bottom edge of the front bumper) The ECT (Engine Coolant Temp sensor) is located near the thermostat housing in the engine block. If you are at all confused about the location of these sensors on your perticular car, refer to a shop manual. Also, don't be suprised if you get no response from this mod, or a check engine light, as our ODB-II systems compare voltage signals from the sensors to stock parameters. It will, however, work on older cars with less advanced ODB systems. To make this work, stock voltage MUST be sent to the sensor, and altered voltage goes to the ECU. So, Make sure ANY resistance is placed on the negative wire of the sensor. Even then, your ECU may "tune out" any alterations you may make.

Now, Here's the link to that how-to thread:
http://erdtforum.teamzx2.com/viewtopic.php?t=155&highlight=iat


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Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: AFBlue82] #44495 Sep 17, 8:24am Sep 17, 8:24am
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Philippines
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Rave I would like to add that the resistor mod might make your engine run bad at different temperatures. We have tried it on some BMW's and the car ran great but once things warmed up more it began to run poorly. At WOT it does not work since the the ECU bypasses the AFM and o2 sensors and runs the engine at a premapped setting from the factory. The only way for you to make the car run better at WOT is to modify the preset program with a new remapped ECU or chip.


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Re: Intake sensor MOD Ebay - 20 hp- For real? [Re: AFBlue82] #44496 Nov 21, 10:22pm Nov 21, 10:22pm
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Posts: 246
San Antonio, Texas
Subarashi
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So are there any legit ECU chips out there for our cars? Just wanting to know cause some I guy I know that drives an Audi says it's one of the best mods to get.

edit: Brought this back from the dead.


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