Honda civic transmission problem

[pwuser150071799224]

Aoa
I have a 1997 honda civic with automatic transmission
I bought the car recently and flushed all oils including transmission oil and replaced it with Genuine Honda ATF Dw-1.the car was working fine with smooth shifts until a day before eid when I went out for namaz and on my way back the car was in D4 and it suddenly stopped moving forward as if it is in neutral position. I turned off the car and started it again and it worked fine for a few mins and then again it was in D4 and refused to move forward as if it is in neutral. Turned off and started again....it drove good for a few mins and then again shifted to false neutral.

Gear oil is at accurate level and was recently changed
Please help me to solve the issue
@Xulfiqar and other senior members

[pwuser150797713744]

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[pwuser150071799224]

Thankyou for your reply.
I am in Islamabad and I bought the gear oil from a well reputed dealer in rawalpindi.

UPDATE:
I went to a mechanic nearby and he said that maybe its the shift solenoids so he took them out cleaned them checked connections and re installed .Now the car is working fine again as I have driven around 50kms today and it worked just fine as it was before.
Will check it again as tomorrow is sunday and ill have a lot of time to verify and trouble shoot

[pwuser150047112669]

I had the same issue with me civic today kindly guide me the solution... plzzzzz.
My mechanic say change the transmission...