3 ON YOUR SIDE (3TV) - In Arizona, an estimated 1 million people will travel somewhere for Thanksgiving, and to get to the destination, drivers will need to fuel up. That warrants the question: does a gallon of gas equal a gallon? 3 On Your Side went with the Arizona Weights and Measurements Division to a Scottsdale gas station. The short answer about that gallon of gas is no.

[WATCH: 3 On Your Side looks into problems at the pump that cost you money]

Drivers need keep a close eye to make sure everything is properly adding up. “Make sure the pump starts on zero,” investigator Kevin Allen told 3 On Your Side. “Make sure you press the correct pump for the product you wish to purchase.”

When 3 On Your Side went with Allen to a Scottsdale gas station, they took five pumps out of service. The main problem was a meter jump. A meter jump is when the gas pump shows a sudden increase or a surge just after the pump is turned on. In this case, the pump started at 4 cents before any fuel came out of the nozzle.

Whenever there is an issue, the state puts a red tag on it until the owner fixes the problem.

Another common violation is “meter creep,” which is when it shows fuel is coming from the nozzle even if no gas has been dispensed.

Allen said violations in favor of the gas station owner is quite rare.

If you notice any problems at the pump, report those issues to the state through their website.

 


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