Motormouth: Why you shouldn't top off your tank
by Bob Weber, Chicago Tribune
Jun 21, 2019
2 minutes
Q: My 2005 Dodge V-6 Caravan (106,000 miles) suddenly refused gas with the pump constantly kicking off, as if full. Checking the internet, I found the problem was a carbon pollution canister above the gas tank. Replacement cost was around $800-$1,000. One mechanic told me to keep the tank at a quarter-full for a month. I did that, and the problem resolved itself about 2,000 miles later.
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