Dear Scotty,

   I own a 2014 Nissan Frontier Pro4X with an automatic and 145,000mi. After driving through some bushes last spring, the check engine light came on. The code was p0448 for small EVAP leak. After a couple of days it went away, but infrequently would come back on. I began disconnecting and reconnecting  the battery in order to clear it, but it has come back on with more frequency, and now this method of ‘fixing it’ has ceased to work. I normally drive 50-60mph on the highway to save gas, but have discovered that if I give it an Italian tune-up, and drive 75-80, that it clears the check engine light. I would love to get your opinion as to what this may indicate as which specific repair is needed. Thank you so much for your videos. I really enjoy watching them! (…and really appreciated the Toyota history one.)

 

                                                                                                       Sincerely,