Aixam Crossover Engine & Drivetrain Problems

Car difficult to start when started a bit lumpy then I runs sweet changed coil crank shaft sensor battery HT leads and spark plugs when I turn engine off won't start

Car cuts out wait a few minutes and will start drive normal cuts out no pattern. changes coil fuel pump remove tank change engine speed sensor. No codes present Try to read with snap on obd no connection.

When driving and accelerating it sputters and losses power? Any suggestions.