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Old 09-27-2012, 09:18 PM   #1
400 dollar yaris
 
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performance chip

does anyone know if these chips will work or if it is just some bullshit
http://www.ebay.com/sch/Performance-...oyota&_vxp=mtr

i was looking at this one in particular

http://www.ebay.com/itm/NEW-PERFORMA...b3b373&vxp=mtr

just wondering
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Old 09-27-2012, 09:45 PM   #2
Betrivent
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No.
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Old 09-27-2012, 10:50 PM   #3
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If Toyota could make a Yaris with "Up to +5 MPG fuel savings! Up to +35 horsepower! and Up to +40 ft. lbs of torque!" don't you think they'd just sell it that way?

Guessing that magic eBay device is just two wires going into a fancy tic-tac box with a resistor in it!
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Old 09-27-2012, 11:53 PM   #4
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from what I have read, those are usually a 5 cent resistor, and a dollar case. all they do is make the signal going to the computer a different voltage so that the computer compensates and usually dumps more fuel into the engine. so sure it may make a few hp or feel like it but in actuality it wont improve fuel millage or be worth the investment.

don't waste you money or time on them. If it isn't a piggy back system or a whole ECU rebuild/reprogram it isn't real.
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Old 09-27-2012, 11:56 PM   #5
yarisugi
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Buy it and tell us if it works.
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Old 09-28-2012, 07:13 PM   #6
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They're crap. Also the Yaris has a learning ECU so even if it did anything, the Yaris ECU would compensate and put things back to normal. Complete and utter garbage.
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Old 10-01-2012, 02:40 PM   #7
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If it sounds too good to be true......

In this case it's definitely a scam. There would be zero increase in performance as the car computer would adjust accordingly to get back to the air/fuel ratio it wants.
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