4 cars sent for repair after unleaded pumps filled with diesel fuel at local Speedway

MILWAUKEE – There weren’t that many drivers at the Speedway gas station on West Silver Spring Drive on Thursday. Maintenance crews worked tirelessly to fix the fuel pumps that sent several cars to the auto repair shop.

Heiser Toyota service road manager Mike Marx said Wednesday that two customers came for help after their car suddenly died after filling it with gas.

“We found out that they both got gasoline at the same station almost right after the other,” Marx said.

On the same day, Marx says that two other clients came up with the exact problem. It didn’t take long to find out what was wrong. All four vehicles had diesel fuel in their gas tanks.


Heiser Toyota is repairing four cars so far due to the confusion.

“A gasoline engine will not run on diesel. Some cars can die immediately, others may take a little while to stop running,” Marx said.

In a statement, 7-11 Inc., owner of Speedway, said a gasoline supplier mistakenly filled unleaded pumps with diesel fuel earlier this week. An error which, according to the mechanics, is damaging for vehicles that do not consume diesel.

“This is an example of the fuel that was taken out of one of the vehicles. Here you can see that there is a lot of contaminants at the bottom and it’s a completely different color,” Marx said.

While it is not known how many cars were affected by the error, Speedway and Toyota say they are working together to help drivers in any way they can.



Teams were on site for the maintenance of the Speedway at Silverspring and 41 for the mixture of gasoline and unleaded diesel.

“The customer will pay the bill, then speedway will compensate them. Our hope is that we can get it fixed for customers as quickly as possible,” Marx said.

After making the necessary corrections, all of the Speedway’s unleaded petrol dispensers are now open to customers. Customers who believe their car has been affected can contact 1-800-643-1948.

Below is a complete statement from 7-11 Inc .:

Earlier this week, a gasoline vendor mistakenly refilled Silver Spring Dr. 11,800W unleaded pumps with diesel fuel. 7-Eleven took immediate action to stop sales of unleaded gasoline at that time. location and removed and disposed of the diesel. As of this afternoon, all corrections have been made and the store has reopened unleaded petrol dispensers. Customers who believe their car has been affected can contact 1 -800-643-1948. “-7-Eleven, Inc.

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