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turbo charged cars need to run with a richer air fuel mixture to prevent predetonation and knock . The srt-4 was engineered with a injector "coast" that dumps a little fuel when lifting the gas pedal to prevent the motor from going lean should the person driving decide to floor it and go into boost. the lack of a muffler makes the popping more noticeable then it would be in a standard vehicle.

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12y ago

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