what could my problem be? i know this is the reason of my rough idle. i have obd1 si civic injectors.

b18c1
JDM itr pistons
stock Gsr cams
head shaved .010
completely rebuilt engine

stock exhaust, PWJDM kevlar intake
Blox IM

dont know if you needed that, but i dont know what could be causing that problem
also when i switch out those injectors with 2 and 3, it still has bad flow in 1 and 4. so i know the injectors are good.. just dont know whats causing it,.

 

wait.. how do you know it isnt flowing as much as cyl #2 -#3? get the car up to temp, and do a leakdown test first to see if all the cyls are sealed. then start diagnosing some more.

 

i took the fuel rail off with the injectors connected, and turned the key on. 2 and 3 were strong! and 1 and 4 werent.. i warmed the motor up and did a compression check im 280 give or take 2 or 3 all across the board. the engine currently has 468 miles on it.

 

correct me if i am wrong but isnt that called injector pulse? They all dont spray 100% at the same time. Only when the piston in that cylinder comes TDC.

I always thought you needed to flow test or have a management system to see how the injectors were spraying

 

i dont know about the whole injector flow problem. but i guess recheck the basics. check to see how the spark plugs look, and gapped, ignition timing, good grounds, and possibly any vacuum leaks. also make sure you didn't plug the wrong connectors onto the sensors. try all those first.

 

semi broken wire(s) in harness? not enough voltage?

 

Could be an issue with your ecu, wiring harness, etc.

 

I'm thinking its an ecu problem also. Or proper tuning. Ive done everything listed above. All the basics

 

get them flow tested, if u think they are clogged, that will tell u for sure

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Dual Cam Racing &raquo;</TD></TR><TR><TD CLASS="quote">get them flow tested, if u think they are clogged, that will tell u for sure</TD></TR></TABLE>



https://honda-tech.com/zerothread?id=1951304

http://kgparts.com/index.php?page=fuelinjectclean

 

clean and flow test them

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Dual Cam Racing &raquo;</TD></TR><TR><TD CLASS="quote">get them flow tested, if u think they are clogged, that will tell u for sure</TD></TR></TABLE>

X3 with Sjersey

 

fixed it. it wasnt my injectors, thats the advice a guy gave me. my cams were bad