welli just swapped a gsr into my eg and i have new headers but other than that its completely stock. but i wont have a p28/ integra ecu to run it until friday...so right now its running on my 1.5l non-vtec ecu. and im getting like 10 mpg...my car smells like straight gas. no leaks...i just cant breathe in my car. i know the ecu will change a lot of things just wondering if this is normal ???
i think its running very rich because im getting horrible gas mileage and it reaks of gas.
the idles bounce its not going up high its just not a smoothe idle.

should i expect everything to be perfect with the new ecu? motor has new rings and bearings i believe..but just stock gsr ones.

i currently dont have any intake on my car either because everything is going in on friday..

 

u should park that car asap

 

it will all get better when u have a chipped p28 but for now let it sit

 

welli need to get to school and things... and back to the guy that did the swap for me for him to give me the ecu and intake..
is it really that bad to drive it? it runs alright how it is..

 

any input at all?
i just want to know if it really is bad to drive it like this..or if it will be okay for 2 more days

 

well u r just dumping fuel into the motor and alot of it is not getting burned

 

where does the fuel go then? hahaha
and the guy is giving me a chipped p28 but if he doesnt come through...what ecu should i use. is that the ecu thats meant to be used with a gsr? a p28 or something else?
the motor is a 98 but converted to obd1..

 

its a gsr u could us a chiped p28 but they cam from a 92-95 civic ex single cam find a obd1 p72 its a gsr ecu as long as the motor is stock that will be fine the p72 that is

 

the fuel is just sittin there its will eventually just flood it self

 

should have thought about how you were getting around b4 you did the swap. **** happens and **** just happened to you.
Even with a sohc ecu it would not run/smell/burn gas as you discribe. go through your check engine lights, somthings not right, maybe a few things.
A p28 unless its chipped for a gsr is not the computer you need. p72 runs the gsr and has the IAB control, unless added the p28 does not.

 

which is better to use? my motor has aem camgears and arp headstuds which i dont think would change much. and megan racing headers but internally stock other than a micropolished crank.

i daily this car and its running like crap right now and is very irritating. when i got this swap i thought it would run much stronger than my single cam. i know its on the wrong ecu but i hope this all changes with the right one.. but what would u guys recomend for now? a chipped p28 which i will prolly end up getting this friday.or if he doesnt come through should i find another virgin p28 or a p72

 

well im a straight up noob so i didnt do the swap myself i got a known mechanic to do it.... the check engine light is on but i thought that was because it was on the wrong ecu. any ideas on what to do?

 

A p28 with IAB control and a chip for the GSR
or
a p72, chipped or not. if it is, make sure its chipped for the GSR

 

id be at his door right now. he should have never let the car leave untill it was running right, its not a hard task.

 

good news... just heard he has the p28 right now. too late to get so tomorrow after school im going to his place which is about 30 miles away.. and getting it in.

could it have done serious damage to my motor?

 

not as long as you didnt rev the **** out of it.
is the p28 chipped?

 

yeah the p28 is chipped. i didnt drive over 3000 rpms. just for the past 2 days ive had it.
do u think the spuddering idle will be fixed? i just want a reliable car that feels comfortable to drive. at the moment it feels pretty crappy.

also one thing i noticed which hopefully will change tomorrow is at 55 mph my rpms are at 2500? that seems pretty high to me. it seems like i have to shift earlier than i did with a single cam. almost as if the gear ratios are off or something like its as if it was a 6 speed or something without the 6th gear.

 

Just a question, shouldn't a 1.5 litter motor run the same if not less amount of fuel? Why would he have excess fuel flooding the cylinders?

 

exactly what i thought^^^ i dont know why id be burning so much fuel

 

A chipped ECU might give you even more of a head ache than you already have. I say if you could run the stock P72 originally made for GSR motors than do so. If you cannot, somehow make sure the chipped P28 version is really chipped correctly to run a GSR motor. I hear so many times people are having so much problems with chipped ECUs. My opinion is the only time you should run a chipped ECU is if you have a built motor, turbo, etc(other than stock). Bone stock runners should run bone stock ECU. Just my opinion though. I just rather do it the easier way. I hate problems.

Back to your issue. The issue you are having could be cause by incorrect ECU. Normally an incorrect chipped ECU will cause this but I have tried a P28 onto a real Acura Integra GSR and it sputters and rpm needles jumps constantly; not runnable. But you are running a 1.5 in a GSR with both supposedly "stock" So I am unsure of even where to start with your issue but lets get the ECU in your car and we can all start from there.

 

people have issues because they cant read. or insist on using Name brand programs.
if you have any chipped computer, just get a basemap eprom for the gsr. wow so easy.
then trouble shoot your issues.

 

still no ecu...guy keeps flaken out only gonna wait another day or two until i just buy a p72.

but i remember when i was watching him finish up the motor..he said we didnt need the o2 sensor... now that i think of it... i think he cut it off. not 100% sure but i KNOW the sensor is not in the headers. cuz thats where it is right?

that could be my gas problem of running super rich and my entire car smelling like gas and getting horrible gas mileage...but i dont think it has to do with my cur running bad in general as in idleing.

 

ya get a p72, only ecu that can controll the gsr manifold dual butterlfy setup. and its made just for your motor, its the way to go

 

whoever did the swap is a ****ing idiot. you paid for this service?

first off of course the car is gonna run like **** your using a stock ecu thats made for a 1.6L single cam in a 1.8 dohc. get a obd1 p72 ecu and you'll be good, no point in getting a chipped p28 your motor is straight up stock anyway.

and he said you didn't need a o2 sensor? well there goes your gas problem your car is running open loop all the time and it just dumps more fuel becuase the ecu is not getting a proper a/f ratio reading.

 

dude the same things happening with my ls swap except mines not running rich.mines idling pretty bad too though..im running the d15b7 ecu.
https://honda-tech.com/forums/honda-civic-del-sol-1992-2000-1/missing-idle-2446092/