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07-07-2011, 07:42 PM
Replies: 35
Views: 101,700
Posted By Environs

Re: Honda accord 1993 automatic transmission shift issues

I'll check the spark plugs tomorrow and see what they look like. Sure they could use replaced.
07-07-2011, 07:30 PM
Replies: 35
Views: 101,700
Posted By Environs

Re: Honda accord 1993 automatic transmission shift issues

when it finally started tonight, it started right up, however a few hours later when I went to leave, it sounded like a grinding noise for a second and then actually started (whereas before it would...
07-07-2011, 03:17 PM
Replies: 35
Views: 101,700
Posted By Environs

Re: Honda accord 1993 automatic transmission shift issues

Seems like teh new TCU is giving the car starting issues now. Sometimes it will start and then others it will not start = try and let sit for 5 minutes and try again. 50/50 it will start.
07-06-2011, 12:15 PM
Replies: 35
Views: 101,700
Posted By Environs

Re: Honda accord 1993 automatic transmission shift issues

I did change the fluid last night. Old fluid was jet black so it was way overdue, not to mention a LOT of metal flake on the metal plug bolt. Almost looks like someone dipped the tip in Never-Seez....
07-06-2011, 06:46 AM
Replies: 35
Views: 101,700
Posted By Environs

Re: Honda accord 1993 automatic transmission shift issues

Seems like the 'new' TCU unit has the transmission running slightly higher RPM. I noticed the RPM at about 25-2700 at 65mph whereas before it was right around 2100 or so.
07-05-2011, 11:32 AM
Replies: 35
Views: 101,700
Posted By Environs

Re: Honda accord 1993 automatic transmission shift issues

Interesting to note; After installing the 732 unit, it will start right up, drive, turn off, then when you go to immediately restart, it won't. I have to wait about 5 minutes then it's fine again.
...
07-05-2011, 09:58 AM
Replies: 35
Views: 101,700
Posted By Environs

Re: Honda accord 1993 automatic transmission shift issues

I just installed the 732 unit and everything seems to shift 100% a-okay now. Is there something else I should check (you mentioned solenoids) that could be causing the TCU unit to go bad. Or should I...
07-05-2011, 09:23 AM
Replies: 35
Views: 101,700
Posted By Environs

Re: Honda accord 1993 automatic transmission shift issues

I just got back from a junkyard as I also got an oil pan (this one had hit something and wasn't leaking but the seal was bad so am replacing all of it). I did get a PXO-732 unit (the one in the car...
07-05-2011, 05:37 AM
Replies: 35
Views: 101,700
Posted By Environs

Re: Honda accord 1993 automatic transmission shift issues

I took out both modules in the passenger foot kick and removed covers from each. Neither one looks like it has any scorch marks etc on the board and all of the connections seemed pretty solid. Other...
07-05-2011, 05:02 AM
Replies: 35
Views: 101,700
Posted By Environs

Re: Honda accord 1993 automatic transmission shift issues

justinbg, I did noticed the check engine light came on a few times when this started but then it went back off. I will try and pull the TCU and look at the board.

How do I check the codes on the...
07-04-2011, 07:13 PM
Replies: 35
Views: 101,700
Posted By Environs

Re: Honda accord 1993 automatic transmission shift issues

sorry to be ignorant, but what is the TCU and is it hard to fix?
07-04-2011, 10:09 AM
Replies: 35
Views: 101,700
Posted By Environs

Honda accord 1993 automatic transmission shift issues

I've just recently purchased this car from a friend. Replaced the captive rotors (whew was that fun!) but now the car is having shifting issues with the auto transmission. When you start the car....
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