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Hi, someone know if it exist any ecu chip or upgrade for a hyundai accent 1999 1.5L manual,one work with stock engine with IAT + o2 Sensor chip at a good price.I found one remap chip on ebay but it's expansive and look cheap.

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they don't exist for the accents

the best your going to be able to do is use some sort of piggyback computer to adjust your injector duty cycle or use the new aem piggybacks that allow you to adjust timing and fuel.

in the end your just fine tuning what you already have, you won't see much power gain from just tuning a/f ratio on a naturally aspirated hyundai.
 
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