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Should I Trust This Performance Chip?


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Umm, you know they sell those on Ebay for $7.95 and they claim you can get 70+ hp out of thiers!

Don't waste your money or your time even looking at those. They don't work. If you read "how it works." you see the idea behind it is to change the IAT signals. ( Intake Air Temp.) Based on the theroy of fooling the ECU into thinking that an ideal air temp of like 60 degree is coming into the motor, hence changing the A/F ratios to gain more performance. If that ever worked, I haven't seen on what motor yet. The IAT is only one processed signal, as the 02 sensors, the MAF, and along with a few others would have to be overridden also. And the ECU logic would have to be changed. Most people think that ECU's are programmed for the best performance based on sensor readings, and unfortunately it's not. The ECU is programmed to calculate for the best emmissions ratios possible. SO if you changed the IAT sensor reading, the moment the exhaust 02's read NOX or lean conditions, you would throw a cel and the system would begin to adjust the timing, and you would probably lose hp, and get worse mpg's. And that's if the chip really changed or altered the signal any.

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