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sounds you have water on an electrical connector or water on plugs.
is there any evidence of water in engine compartment ?
Take off distributor cap and inspect for water
if none of the above worked try a master reset in case ECU got wet .
Master reset Procedure
1- Disconnect Battery Cables ( Negative & Positive Cables )you can use any electrical wire if cables don't reach
2- Hold cables Together for 60 secs ,then let go
3- Wait 15 minutes
4- Make sure all doors are closed
5- Reconnect battery Cables
6- Lock & unlock the vehicles using the key from driver door side (if you have a key fob with no blade key, just lock & unlock using the key fob buttons)7- Enter the vehicle and attempt to start
Please let me know
ASE Certified Technician
the d4 flashing means , problem wit transmission , you need to scan & retrieve fault codes
Did you rest it ?
Hey how are you ,this Chad from JustAnswer
I was wondering if you like any further assistance on it
Please let me know Thank YouChad FarhatASE Certified Technician