Q: gas flows back into tank in cold van will startweather on 2000 Dodge Ram Van 1500

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
in cold weather theres no fuel in carb at start up. I have to turn key and wait for pump to pump fuel to carb the colder the more time it takes (3 min in 60% 20 min in 30%), when pump stops van will start up. On hot days (70%) it starts right up.
(1) Answer
Really, you need to have a shop test for and Diagnose this problem. Actually your Van has no Carb, but has Fuel Injection. So if you are not sure about Fuel Injection, then have a shop at least Diagnoses the problem.

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