system too rich...

i'm sorry about a noob question, but i'm very new to engine work. i've been running a t3/t4 turbo for about a month now, the cel just came on and reads system too rich (P0172). the noob question is, "too rich" does that mean too much air? if so, how di i adjust to compensate for that? thanx in advance.

edit: also, another code appeared at teh same time, idle control malfunction. could the two problems be related, one cause the other or vi versa? any help would re appreciated. thank you.

/d

too rich = too much fuel in the mix; unfortunately, i don't know enough about boost setups to know what controller you'll need to adjust the air/fuel mix.

you'll get more help if you describe the application/engine (and fuel system), and if this is boost related, it might get more attention in the turbo forum.

yes i believe that the 2 could be related: improper fuel mappings in certain rpm ranges, but that's just a shot in the dark; I'm sure one of the veterans will have an answer...if you can be a bit more specific about what you're running.

thank you asd. mods, could you please move this thread to turbo forum. thank you.

here's what i'm running: b18b w/ revhard stage 2 kit. at ~7psi. the fuel pump & fmu come w/ the kit, so i'm not exactly sure what brand. hope that'll help. thanx.

/d

Hondata + Tuning = problem solved. Plus you'll have more power after tuning.

gonnd have it dyno tuned wednesday...
*prays that there won't be any more problem*

I agree with prelude.

what kind of FMU do you have ? unless its a "standalone" then all you can tune is fuel and no timing. if its only a fuel thing then i would recommend changing to a "standalone" that can tune timing