Welcome to the forums, angiesvariety, Jezabele, daygrafix, and Ladybrinx!
Some gas stations actually will try to authorize $75 if you pay at the pump, just like Jezabele explained. I think $75 is a bit excessive, myself. If it took anything close to $75 to fill up my car, I'd be in the best shape ever from walking everywhere! 🙂
The funds for an authorization are supposed to release when the actual charge is captured. If the gas station didn't capture the charge and associate it with the correct authorization, it would process the charge separately from the funds held for authorization. An authorization that doesn't have an associated "capture" of funds will expire, but it can take up to 5 days. I'm wondering... did you actually complete the gas purchase at that pump, or move to a different pump? Did you have to pay inside for some reason after swiping the card at the pump?
If you find that there is one particular gas station at which this repeatedly happens, let them know! I bet they'd like to fix it!
Olivia
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