Maverik plans to 'take care of' dozens of diesel customers who got unleaded gas

Maverik spokesperson Aaron Simpson tells KUTV-TV Reporter Matt Gephardt that mistakes like this are “pretty rare," and that it hasn’t impacted a Wasatch Front Maverik station in several years.

(KUTV) A mistake at a popular gas station could leave dozens of drivers stranded. Over the weekend, the diesel pumps at the Maverik Gas station in Stansbury Park were serving unleaded gas.

Maverik estimates that about 55 diesel vehicles may have received the wrong fuel. The error lasted for about 18 hours, from 10PM Friday until 4PM Saturday.

Aaron Simpson with Maverik says the mistake appears to have happened when one of Maverik’s refueling trucks pumped unleaded gas into the station's diesel drum.

Simpson says mistakes like this are “pretty rare," and that it hasn’t impacted a Wasatch Front Maverik station in several years. Maverik is currently looking into ways to prevent future errors, he told Get Gephardt Monday.

“Obviously this affects people's vehicles and, more than just their vehicles, it affects their lives, right?" Simpson said. "We want to make sure they're being taken care of frankly, better than they expect. So we want to make sure their car gets back to running just as good as new."

Customers who think their vehicles may have been impacted by the Maverik mix-up should call Safety Manager Travis Goff at (801) 335-3846 or email

Mechanic Chris Pappas with Hillside Tire and Service in Sandy says unleaded gas in a diesel engine is "a very bad thing."

Pappas says it’s not a safety issue, per se; engines are not going to start exploding or anything like that. But the wrong type of fuel could cause cars and trucks to suddenly stall. The repairs can be expensive, including destroying fuel distributors which can cost several thousand dollars to fix.

His advice to someone who believes that they have unleaded fuel in their diesel car or truck should "stop driving it immediately,” and have it towed to a mechanic to be tested. The most obvious sign that your fuel may be bad is if your car or truck suddenly loses power.

Maverik has been able to identify a handful of affected customers through its loyalty rewards program as well as social media. Maverik posted in a private Facebook group, forwarded to Get Gephardt by Goff, that they are "sorry" and "want to assure you that Maverik will take care any impacted customers."

The post echos Pappas' advice to not drive the vehicle until repairs can be made. Maverik says the industry recommended repair is to have the diesel fuel drained and replaced.

"Maverik will reimburse you for this expense," the Facebook post reads.

The underground diesel drum at the Standbury Park Maverik has been cleaned and the pumps have been flushed. The diesel pumps were closed for about a day and are now reopen.

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