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anti theft module/ gas mileage

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  • anti theft module/ gas mileage

    does anyone know if the anti theft module could affect fuel mileage? the fuel enable output is a pulse width modulated signal sent to the ecm which controlls the injectors. i wonder if the duration of this signal is altered, if it would affect the injectors, causing poor mileage. the security light comes on intermittently. thanks for any input
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