On more than one occassion I have filled my gas tank at Arco's AM/PM gas stations. On at least 2 occassions at the location in Oakdale (have 3 receipts) I topped-off my tanks, and the gallons of gas on the pump & on the receipts show that I put in 18 gallons of gas (18.49, and 18.867). On another occassion (this time at the Riverbank AM/PM) my tank also took more than 18 gallons of gas - per THEIR counters...
I checked my owner's manual, finally, as I always thought my tank was about a 16 gallon tank. My owner's manual specifies that the max. Capacity for my vehicle's tank is 17.5 gallons.
Now, I've filled up at other gas stations, even when my car was bone-dry and the gas has never exceeded 17 gallons. I've only encountered this with the Arco AM/PM's listed above.
No wonder AM/PM can offer their gas at $. 05 to $. 20 cheaper than other companies - because they probably calibrate their pumps to put less gas in your tanks than what the pump is reading (example: reads you've filled up with 19 gallons, when you really only got 17.5). What's 10 cents less than other competitors, when they can squeeze an extra $3.00 to $6.00 per consumer with us not knowing the wiser... That's how they turn their profit...
Carrie
Oakdale, California
U.S.A.
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