What happens if I leave the key/Ignition on more than 10 sec without starting the truck/SUV?

The only requirement imposed when using the bypass module is that you must start your engine within 10 seconds of turning the ignition key to the ‘on’ position. The module works by bypassing the thermocouple in the MAF (Mass Air Flow) sensor during the initial 10 seconds of the ignition key being turned to the on position.

If you turn on the ignition, and fail to start the engine within 10 seconds, simply turn the ignition key to the off position for at least 1 second before attempting to start the engine again.

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