i recently swapped a b20 into my 92 dx i had a 98 ls in there and blew it up the harness is a 0bd2 integra harness and it plugs right in i had it in when i ran the ls the ecu is a obd1 p75 the motor runs great but when it goes into an idle it just shut off at random times no cel and i checked all the plugs they are all right what could this be

 

helpp me

 

check your vacuum lines, you might have a leak.

 

no no vacum leaks its on a p75 would this be the probb

 

Sounds like a low idle problem. Have you tried cleaning the IACV?

 

i tried that i was told by someone they think its my ecu