What would cause a p0154 to cone on and them go away on its own?

Question

The light came on, checked code , p0154 , drove for a little bit and the light went out and has not come back on

Answer 1

if the computer loses connection for a few second it can set the light on and when it does not replicate the problem it will go off.

If the light does not come on there is nothing to worry about

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