Chrysler Repair: misfire, head gasket, auto shutdown relay

Question
Hi Kevin, (sorry so lengthy) Rainy day my 03 Caravan 3.8l, Started misfiring badly. Limped home. next day Started car. misfiring and whitish smoke from exhaust. obd showed #6 and#3 misfire and some emmision codes too. mech said not head gasket. drained fuel(thought it was bad. Changed fuel filter, plugs&wires, nothing. Changed ign coiland after 2 miles no misfire no smoke. 200 miles later, right back to square 1 and now engine bogs down whe I accelerate. P0206 code shows up. changed #6 injector-no change. I can here plug #6 popping@ idle.Please help if able.

Answer
P0206-INJECTOR #6 CONTROL CIRCUIT
P0206-INJECTOR #6 CONTROL CIRCUIT
When Monitored: With battery voltage greater than 10.4 volts. Auto Shutdown Relay
energized. Engine speed less than 3000 rpm.
Set Condition: No inductive spike is detected after injector turn off.
POSSIBLE CAUSES
(K342) ASD RELAY OUTPUT CIRCUIT OPEN
GOOD TRIP EQUAL TO ZERO
FUEL INJECTOR
FUEL INJECTOR DRIVER CIRCUIT OPEN
FUEL INJECTOR DRIVER CIRCUIT SHORTED TO GROUND
PCM
TEST