Ok this thread is not about my S, shes runnin fine. But my daily a 95 LS integra non-vetc had some work done on it last night and now is not happy one bit.

I noticed I had rusted exhaust issues all through the exhuast. So I bought a full new racing muffler cat back, a new down pipe in front of the header, a new racing header, and aem intake. I successfully got it all on and correctly I know for a fact.
Anyway I got it started sounds great and ready for a test. I took it out and I felt a major difference my lil car could finally breathe, esp. without the vtec it felt it needed this upgrade. So now I drove it for about ten miles and it starts hesitating... and progressing and Im a little ways from home so I have to go about 4-5 miles yet and its starts luggin and lurching and barely makes it home... I'm worried my air fuel ratio and mixture is not what is intended for this vehicle now!


AWWWHHHH WHAT NEXT? a little help?

 

Reset the ECU. ECUs from those days aren't as smart as current ones.

Also, I don't recall NA engines having downpipes; header to exhaust, unless you're talking about a test pipe (replaces the catalytic converter).

 

I figured it out, I had a spark plug connector come loose the spark plug. I was runnin on three cylendars. It wasnt that obvious til i heard the snapping from the disconnected spark. And i did reset the ecu and that helped too. thanks. Oh and its a two piece header is all. (or downpipe)

 

moving to car talk. UTH is for S2000 related issues only.

 

Sorry... moderator you can kill the thread it needs no more posting