My van starts fine when cold, but, floods and doesn't start when warm. But if you turn off the fuel pump it starts and runs for a minute.Using the shotgun approach to troubleshooting ( also known as swap 'till you drop) I've replaced the fuel pressure regulator, all the temp sensors, O2 sensor, cleaned and reseated all connections. Now my question is what else, besides the brain, controls the mixture? Any other ideas?
Ken Nelson

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