b20civicowns

i b20b swapped my 97 hatch, i tried running the jumper harness to obd1 and the p75 didnt run good. so i put the stock single cam ecu in (obd2 p2e i believe) and it runs pretty good. so i just bought a obd2 p75 ecu yesterday and put it in and it ran like crap. im so confused lol. a p75 should run the car alot better than a p2e as far i know. i need some opinions so help me out....

b20civicowns

and i dont know if this makes a difference but when i plug in the p75 (obd1 or obd2) the throttle body sounds like its sucking in a ton of air. idk whats goin on

b20civicowns

bump...

Deetz

You know, when i had a b20 swap, i tried a few different ecu's...the one that worked the best, OBDI PR4. It ran much better than the P75

b20civicowns

the pr4 is from a 90-91 integra right? isnt that obd0 or am i completely wrong? and does any1 else have any idea why my p2e works pretty good and not a p75 lol

Deetz

If you read my post....you would see that i said "OBD1" What ecu do you think comes in 1992 and 1993 Integra RS, LS, and GS models??????

b20civicowns

thats why i asked... when i looked it up here http://www.hondata.com/techecuid.html it just says the pr4 is 90-91.

Deetz

That list is not 100% correct. I speak from experience, as i have done, what more could you ask for

b20civicowns

alright. im not arguing with you. i was just saying why i asked. now back to the matter at hand. any1 lol

b20civicowns

bump, shold i just run the p2e and not worry about it for now?

thumper64

The PR4 came in 90-93 Integras. There were OBD1 PR4 ECUs, but they are rare. They look like an OBD0 ECU, but with OBD1 plugs.

I'd chip whatever ECU you have an then you could try different basemaps...though you should use a DOHC map. Chipping isn't hard and doesn't take long.

94EG8

They came in every '92 - '93 Integra except for the 5000 or so that were GS-Rs, i'd hardly call that rare.