ok friday nite i boosted my 98 civic coupe "HX' D16Y5, the kit includes the following T04E (T25) with screen for intake opendownpipe costom 4in thick intercooler 27 long 6 high, RFL BOV, Missing link and BLOX FMU..... im having bad idol problems the car is fine when under boost but when i let off the gas and have the car out of gear when slowing down it wants to cut out, or go down to like 0-200rpm then it will rise back to idol or cut off so i have to let off the clutch at like 1500-1000rpm as i stop, the spark plugs are gaped at .32, its throwing a EGR valve code and a secondary O2 code but its not putting it into limp mode so i could car less about that, when the car idols after start up it idols around 750-900rpm steadyly.... anyone know what it could be? im on 93 octain with @7psi

 

What are you using for management...?

Fix your damn codes!

 

figure out why your throwing an egr code...was it there befoer you boosted the motor? The secondary o2 sensor code is a given unless your running a cat. which obviously your not considering its open downpipe. And...before anyone else says it...get soem management on that thing...

 

Close that DP. The wideband can't read an un pressurized exhaust.

 

lol really? i run open downpipe...my buddy david runs open down pipe...whats the problem with open downpipe? a wideband reading has nothing to do with how much pressure is in the exhaust.

 

well the codes its throwing are the EGR i know what that is its pritty much fixed im missing a vac line from under the fuel rail and also goes to a a thing on the firewall next to the battery... so its only throwing a secondary o2 i got the odol problem fixed i think its no in limp mode wehn the egr code was on its now at 5psi i got the FMU and missing link on the car right now till i get the money for Emanage or chrome.....what else beside what i have done will better tune the motor for the boost, i got the distributer kicked forward like 2 degree i got the sparkplugs gaped .32 i reset the ecu.....