Ok so I just got this 1992 Integra LS (Automatic transmission) yesterday and it has the check engine light on. Now I’m thinking I can fix it myself because I have had one before and I did most of the repairs myself but this one has me kind of confused. I did the paperclip in the plug to check the codes that the ecu is throwing but I’m thinking they are wrong. The codes it is giving me are 1, 19, and 20. Now I checked the code list and there is no 19. And code 1 is o2 sensor which I know was replaced this year because the guy still had all the receipts. He said that they had to replace the ecu when they bought the car because it was messed up and when they did it they had to disconnect the driver seatbelt and the CEL has always been on sense the replacement but it still passes emissions. I also have noticed that the cruise control does not work( which happened on my last one so I wasn't too surprised), the driver’s side mirror does not work (which I don’t know if that’s related or not) and the transmission is always on s3 and the s3 light on the gauge cluster blinks(my last one was a manual so I don't know if it is supposed to be blinking). Even when I press the s4 button it does nothing. Just stays in s3. I have a hunch that maybe they put in the wrong ecu. Like one from the same engine type or maybe the same year but was for a different trim level like gs or rs or was even for a manual transmission car but I don’t know cause I don’t know the proper ecu numbers for it. So if someone can let me know the correct ecu that would be awesome. The car like I said is a 1992 Acura Integra Ls with power windows, power mirrors, and automatic trans. The driver’s side seat belt, driver’s side power mirror, cruise control, and s4 do not work. I haven’t driven it at night yet so I don’t know if the headlights have any problems though I have turned them on and they do work. I think that’s all the info I have to give other than this video of the trouble codes so someone can check if I read them right. oh and i forgot to mention that the car drives great. It has a little trouble when i first start it. Acts like its gonna die but then revs back up and after like 5 min its good. No extra noise that i can notice or anything out of the ordinary.

Thanks in advance for any help that can be given.
Nick.
Oh and I’m sorry that I make my posts so long. Like reading a report or something.

i just checked the engine and it is the b18a1 and the trans is MPRA

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alright, just a lil update. I pulled out the ecu today to check if the right one is in there. The ecu is a P06-A52 which i think is for a 92-95 civic from my searching.

Im under the impression that the ecu i should have is a PR4. or it could be a p74 or p75. I found a couple of ecu repair sites that said it was PR4-A61. but the ecu list here(http://hondaswap.com/reference-mater...cu-list-29129/) says that the pr4 is obd0 and the obd1 ecu's are the p74 and p75. Anyone on here have a 92 teg with automatic trans that could check theirs and tell me what ecu is right. Please.

 

alright i know its a PR4 ecu that i need but what version. I know there is a PR4-A11 and a PR4-A51 and a PR4-A61 but does anyone know whitch one came in the 92 teg LS automatic?

 

Have you tried calling the dealership? G.L. with repair. I had a feeling you had the wrong ECU mounted.


Here's a link from Hondata. This should help you out a little.
http://www.hondata.com/techecuid.html