The check engine light is on with codes P0442 small evap leak/ P0455 evap leak/ P0496 purge control solenoid. Smoke test showed no visible leaks anywhere. Gas cap has been replaced twice. Very hard to start after getting fuel. Fuel pressure drops on pressure test.
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2007 Cadillac Escalade EXT
Question: Why is my truck hard to start after getting fuel?
possible fuel pressure regulator is bleeding down and is bad