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Q:

Why does my car shut off when adding fuel to it? on 2006 Cadillac STS

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
If the car is off while adding fuel it is hard to start. I have to try several times before the engine starts. It has a very slow take off.
(1) Answer
'Possible' evap vent solenoid problem, may have codes, get a scan test. Fuel may enter evap system and flood the engine for a moment or two after fill up and restart. Usually clears up after driving a little ways! (POSSIBLE) -----Never add fuel to 'any' vehicle or equipment with the engine running!!!! That can also trigger problems with the evap system on these vehicles we have nowadays.