A fuel mix-up at an Amarillo Walmart has led to headaches for many drivers.

Tuesday at the Walmart Neighborhood Market on Arden Road, a fuel supplier got the unleaded and diesel tanks mixed up.  Approximately 50 people purchased fuel from the store before the problem was identified.

The pumps were immediately shut down and the tanks emptied and the lines were cleansed and purged.

Although the repairs involve a lot of labor, it isn’t expected any of the vehicles will have permanent damage.  Walmart is working with affected drives in filling claims.